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Find the slope of 7x-9y=-27
14. Consider the system of equations: +9y - 2 = 27 2-8y + 163 = 10 2.1 + y + 15z = 37 (a) Use your calculator to find the RREF of the augmented coefficient matrix. n (b) Use the RREF you found above to solve the system of equations. Do no si la noinib bois b u bila moto
Calculate the limit with and without L'hospitals rule. Show
explanation please.
sin 7x 26. lim 27. lim sin 3x 1+ 3x *** tan 4x
EXAMPLE 2 Find sin$(7x) cos”7x) dx. SOLUTION We could convert cos?(7x) to 1 - sin?(7x), but we would be left with an expression in terms of sin(7x) with no extra cos(7x) factor. Instead, we separate a single sine factor and rewrite the remaining sin" (7x) factor in terms of cos(7x): sin'(7x) cos”(7x) = (sinº(7x))2 cos(7x) sin(7x) = (1 - Cos?(7x))2 cos?(7x) sin(7x). in (7x) cos?(7x) and ich is which? Substituting u = cos(7x), we have du = -sin (3x) X...
Solve the system of linear congruences: 7x = 1 mod 8, 7x = 1 mod 13, 7x = 1 mod 17
9) Find mRT 184° -8+7x 7x - 9
ULUI. 8 of 19 (6 complete Find the integral х S dx (7x+1,4/7 OA. (7x+1)13/7 (7x+1)617 6 13 +C OB. (7x + 1) 13/7 71817. (x+1 (7x + 1) 6/7 13 7 + C OC. oc. 1 (7x + 1) 13/7 (7x + 1) 6/7 ces 13 6 13/7 D. (7x + 1) 13 **** 9**] (7x + 6 + c Click to select your answer
Find y as a function of t if
9y′′+35y=0,
y(0)=6,y′(0)=9.
y(t)=
27 35 6*cossqr 3: Set(35)])"sin([sqrt(35)]/3)*t 6 Cos V35 3 t + sin t incorre 35 3 The answer above is NOT correct. (1 point) Find y as a function of t if 9y" + 35y = 0, y(0) = 6, y'(0) = 9. y(t) = cos(sqrt(35y3)t + 27/sqrt(35)sin(sqrt(35y3) Note: This particular webWork problem can't handle complex numbers, so write your answer in terms of sines and cosines, rather than...
Differentiate the following function. f(x) =e 32 - 7x (e-3x2 +7x) = dx
Find the domain and the range of the function. 4 f(x)=1-7x+ 5, for x < 7. for x 27 What is the domain of the given function? (Type your answer in interval notation.) What is the range of the graph of a function? (Type your answer in interval notation.) Enter your answer in each of the answer boxes