Simplify where possible. Then solve the equation.
d = 0
A. d = 0
B. d = 
C. d = 
D. d = 1
Answer: A
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Use graphical methods to find values of x and y satisfying the given conditions. Find the value of the maximum or minimum.Find x ? 0 and y ? 0 such that40x + 80y ? 560 6x + 8y ? 72 and z = 8x + 12y is maximized.
A. Maximum of 96 when x = 9 and y = 2 B. Maximum of 100 when x = 8 and y = 3 C. Maximum of 92 when x = 4 and y = 5 D. Maximum of 120 when x = 3 and y = 8
Calculus can be used to find the slope of the line tangent to a curve. The slope of the tangent to the curve 
at 
is f'(a). Use f'(x) to find the slope of the tangent to 
at the given value of x.f'(x) = 6x3 - 2x2 + 5x - 19 at x = -2
A. -69 B. 85 C. -85 D. -75
Multiply and simplify. Assume that all variables represent non-negative numbers.(2
+ 3)2
A. 17 + 12
B. 17 - 12
C. 11 + 12
D. -1 + 12
Find the reference angle for the given angle.
A. 
B. 
C. 
D. 