Sketch the graph of the equation.
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A. ?
B. ?
C. ?
D. 
Answer: D
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Find the value of (f ? g)' at the given value of x.Assume that f'(3) = 8 , g'(4) = -6, g(4) = 3, and y = f(x). What is y' at x = 4?
A. -48 B. 24 C. 8 D. -30
Factor the sum or difference of two cubes.x3 - 125
A. (x - 5)(x2 + 25) B. (x + 5)(x2 - 5x + 25) C. (x - 5)(x2 + 5x + 25) D. (x + 125)(x + 1)(x - 1)
Divide and simplify.
A. 4x4 - 40x6 B. -6x10 C. 4x4 - 10x2 D. 16x8 - 10x2
Solve the problem.The formula y = 
models the relationships needed to focus an image where y is the distance between the film and projector lens, x is the distance between the move screen and the projector lens, and f is the focal length. a) Sketch the graph of this rational function for f = 5 centimeters. 
b) Bob and Carol are showing home movies. Use the graph to describe the desired distance between the film and the projector lens as Carol moves the projector further from the screen.
What will be an ideal response?