Evaluate the function.Given f(x) = 12x + 18, find f(-1).
A. 6
B. -30
C. 12
D. 30
Answer: A
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Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 14 inches by 21 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = x(14 - x)(21 - x) B. V(x) = x(14 - 2x)(21 - 2x) C. V(x) = (14 - x)(21 - x) D. V(x) = (14 - 2x)(21 - 2x)
Find the exact value. Do not use a calculator.sec 30°
A. 
B. 2
C. 
D. 
Plot the point whose polar coordinates are given.(2, 0)
A. 
B. 
C. 
D. 
Solve the problem using a graphing calculator.Determine which will travel farther: baseball x hit 97 feet per second at an angle of 35° relative to level ground or baseball y hit 125 feet per second at an angle of 
A. baseball y B. baseball x