
Use the definition of continuity to determine whether f is continuous at a x2 - 169...
[4 Pts. Use the definition of continuity to show that the function f is continuous at <=0 10 g(x)= 3-4
definition of continuity to prove that f : (0,00) by f(x)-13 + 1 is continuous at every Zo 0. Use the є-ð definition ) Use the є- R defined that g(x)-_a_ is continuous at every a є (-1,00) +1
Use the definition of uniform continuity to prove that f(x)is uniformly continuous on , 00
1) Use the definition of continuity and the property of limits to show that the function is continuous at x² + 5x the given number a. a = 2 2x+1
[ 10 pts.] 9. Use the alternative limit definition of derivative to determine whether the function 8sinh(x/2) ifx<2 f(x)= is differentiable or not differentiable at 2x²+x-1 if x2 x=c=2 Show all work !!!
Let f:D + R be a function. (a) Recall the definition that f is uniformly continuous on D. (You do not need to write this down. This only serves as a hint for next parts.) (b) Use (a) and the mean value theorem to prove f(x) = e-% + sin x is uniformly continuous on (0, +00). (c) Use the negation of (a) to prove f(x) = x2 is not uniformly continuous on (0,0).
we use this definition
5. [3 points Prove that the function f(x) = - , is continuous at := -1. You should give a proof that is directly based on the definition of continuity. Solution: You can type your solutions here. teso Isso sit & lx-xokę => 1 F(X) - F(Xoll LE
7. Using the definition of continuity directly to prove that f: (1,00) + R defined by f(3) = and f(1) = 0 is continuous on at 2 = 2 but not continuous at 1.
For the function f(x), determine whether or not f is continuous and/or differentiable at the following points. Also using only the given function (not a graph), determine what occurs graphically at these points. f(x) = 1, X, x² - 12, x < 0 0<x< 4 X > 4 (a) At x = 0, f(x) is ---Select--- . At this point, the graph of f(x) has ---Select--- (b) At x = 2, f(x) is ---Select--- . At this point, the graph...
5. 6 pt Determine whether the function f(x) is continuous and/or differentiable at x = 1. (x2+1 f(x) = { 12, >1 1 <1