Homework Answers
Three functions of water:
- Water is a polar solvent: Water is known as ‘general solvent’ or ‘universal solvent’. All (except lipid) the biomolecules (vitamins, salts, amino acids, gases, and glucose) transport inside the body by dissolving in water.
- Water can ionize molecules: Water has the ability to disassociate molecules positive and negative ions
For example, the sodium bicarbonate (NaHCO3) is secreted from the pancreas. The aqueous solution of sodium bicarbonate generates H+ and CO3- ions. The bicarbonate ions make the medium pH alkaline suitable for the enzymes.
- Adhesion and Cohesion of water: This adhesion makes water molecules to connect with other polar substances. This property helps water to move upwards against gravity through the narrow xylem of tall plants.
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Three possible body functions are listed below. Decide which are functions of water and which are...
Three possible body functions are listed below. Decide which are functions of water and which are not. Body Functions Acts as a solvent Assists in maintaining muscle contraction Not a function of water Acts to maintain blood pressure Function of water LAI T J . . -I - . .:.. .. . .. ....
Convert the following continuous time transfer function to discrete time transfer functions with sampling rates of 0.01 and 0.1. Write with an equation editor the two discrete transfer functions. Next...
Convert the following continuous time transfer function to discrete time transfer functions with sampling rates of 0.01 and 0.1. Write with an equation editor the two discrete transfer functions. Next apply a unity feedback to the continuous transfer function and the two discrete transfer functions. Based on the poles of the closed-loop continuous transfer function, is the system stable? Why? Plot the poles of the discrete transfer functions on the z-plane. Are the two systems stable and why?
= OGRAPHS AND FUNCTIONS Inverse functions: Linear, discrete The one-to-one functions g and h are defined...
= OGRAPHS AND FUNCTIONS Inverse functions: Linear, discrete The one-to-one functions g and h are defined as follows. g(x) = 4x -9 h={(3, 5), (4, - 7), (5, 4), (8, 1), (9, 3)} Find the following. DO 8-'(x) = 0 (es)6) = 0 X Ś ?
GRAPHS AND FUNCTIONS Inverse functions: Linear, discrete The one-to-one functions g and h are defined as...
GRAPHS AND FUNCTIONS Inverse functions: Linear, discrete The one-to-one functions g and h are defined as follows. 8()-+-2 7 h={(-7, 2), (-2, 4), (2, -9), (4, - 7)} Find the following. 8 8 (8 •8')(-1) = 0 x 6 ? * (2) Explanation Check MacBook
O GRAPHS AND FUNCTIONS Inverse functions: Linear, discrete The one-to-one functions g and h are defined...
O GRAPHS AND FUNCTIONS Inverse functions: Linear, discrete The one-to-one functions g and h are defined as follows. g={(-2, 5), (3, - 2), (6, 4), (8, 9)} h(x)= *+9 11 Find the following. 8'(-2) = 0 00 x X 5 ? (non ') (1) = 0
In the table below, name three elephant activities or functions that justify the term "keystone species"
b. In the table below, name three elephant activities or functions that justify the term "keystone species" and describe how the activity changes African ecosystems. Elephant activityChange in ecosystem c. Why have elephant populations been declining for the past several decades?
0.4. Suppose that Yi and Y2 are discrete independent random variables with the following moment generating functions: 6...
0.4. Suppose that Yi and Y2 are discrete independent random variables with the following moment generating functions: 6 10 102 I. Find the mean and variance of Yi 1-
0.4. Suppose that Yi and Y2 are discrete independent random variables with the following moment generating functions: 6 10 102
I. Find the mean and variance of Yi 1-
6.2-1. Sample functions in a discrete random process are constants, that is X(t) = C =...
6.2-1. Sample functions in a discrete random process are constants, that is X(t) = C = constant where C is a discrete random variable having possible values la and c) = 3 occurring with probabilities 0.6, 0.3, and 0.1, respectively. (a) Is XC) deterministic? (b) Find the first-order density function of X( at any time to 2.
13.The amount of water in a glass? continous or discrete? why? 14. If one of the...
13.The amount of water in a glass? continous or discrete?
why?
14. If one of the 1052 people is randomly selected, find the
possibility that the person is a man or a heavy smoker.
Identify the given random variable as being discrete or continuous. Points: 5 13) The amount of water in a glass. A) Continuous B) Discrete Explain why the amount of water is discrete or continuous Find the indicated probability. Points: 5 14) The table below describes the...
L.1) Generating functions and discrete random variables a) The data set is X-0, 1, 2, 2,...
L.1) Generating functions and discrete random variables a) The data set is X-0, 1, 2, 2, 3, 3, 3 What is et* ? b) The data set is X-0, 1, 2, 2, 3, 3, 3) Give a formula for the generating function of X. c) How is the generating function of X related to ExpectTe]? L.2) Generating functions and discrete random variables a) The random variable is a pull from (0, 1, 2, 2, 3, 3, 3 Give a formula...
Three possible body functions are listed below. Decide which are functions of water and which are not. Body Functions Acts as a solvent Assists in maintaining muscle contraction Not a function of water Acts to maintain blood pressure Function of water LAI T J . . -I - . .:.. .. . .. ....
= OGRAPHS AND FUNCTIONS Inverse functions: Linear, discrete The one-to-one functions g and h are defined as follows. g(x) = 4x -9 h={(3, 5), (4, - 7), (5, 4), (8, 1), (9, 3)} Find the following. DO 8-'(x) = 0 (es)6) = 0 X Ś ?
GRAPHS AND FUNCTIONS Inverse functions: Linear, discrete The one-to-one functions g and h are defined as follows. 8()-+-2 7 h={(-7, 2), (-2, 4), (2, -9), (4, - 7)} Find the following. 8 8 (8 •8')(-1) = 0 x 6 ? * (2) Explanation Check MacBook
O GRAPHS AND FUNCTIONS Inverse functions: Linear, discrete The one-to-one functions g and h are defined as follows. g={(-2, 5), (3, - 2), (6, 4), (8, 9)} h(x)= *+9 11 Find the following. 8'(-2) = 0 00 x X 5 ? (non ') (1) = 0
0.4. Suppose that Yi and Y2 are discrete independent random variables with the following moment generating functions: 6 10 102 I. Find the mean and variance of Yi 1-
0.4. Suppose that Yi and Y2 are discrete independent random variables with the following moment generating functions: 6 10 102
I. Find the mean and variance of Yi 1-
6.2-1. Sample functions in a discrete random process are constants, that is X(t) = C = constant where C is a discrete random variable having possible values la and c) = 3 occurring with probabilities 0.6, 0.3, and 0.1, respectively. (a) Is XC) deterministic? (b) Find the first-order density function of X( at any time to 2.
13.The amount of water in a glass? continous or discrete?
why?
14. If one of the 1052 people is randomly selected, find the
possibility that the person is a man or a heavy smoker.
Identify the given random variable as being discrete or continuous. Points: 5 13) The amount of water in a glass. A) Continuous B) Discrete Explain why the amount of water is discrete or continuous Find the indicated probability. Points: 5 14) The table below describes the...
L.1) Generating functions and discrete random variables a) The data set is X-0, 1, 2, 2, 3, 3, 3 What is et* ? b) The data set is X-0, 1, 2, 2, 3, 3, 3) Give a formula for the generating function of X. c) How is the generating function of X related to ExpectTe]? L.2) Generating functions and discrete random variables a) The random variable is a pull from (0, 1, 2, 2, 3, 3, 3 Give a formula...
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