Find the indicated function.The length and width of a rectangle have a sum of 78. If x represents the width, what is a function to represent the area of the rectangle?
A. A(x) = x(78 - x)
B. A(x) = (x - 78)(x - 78)
C. A(x) = (78 - x)(78 - x)
D. A(x) = x(x - 78)
Answer: A
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A. 10x + 16 + 2y B. 10x + 16 + y C. 10x + 8 + 2y D. 10x + 8 + y
Write the equation for the line containing the specified point and having the given slope in 
form, where a and b are integers.(-4, 6) and horizontal
A. x = -4 B. y = -4 C. x = 6 D. y = 6
Select the curve represented by the parametric equations.
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A. ?
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B. ?
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C. ?
D. ?
E. ?
Use the Montonicity Theorem to find where the function is increasing and where it is decreasing.h(t) = 
A. Increasing on (-?, 1], decreasing on [1, ?) B. Increasing on (-?, 0], decreasing on [0, ?) C. Increasing on (-?, ?) D. Increasing on [0, ?), decreasing on (-?, 0]