Solve the problem.Find (f - g)(5) when f(x) = 4x2 - 1 and g(x) = x + 7.
A. 87
B. 97
C. -104
D. 101
Answer: A
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Find the requested function value for the given function. Round the answer to the nearest tenth when necessary.If f(x) = 
, find the value of f(4).
A. 16 B. 4.5 C. 4 D. 18
Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x + 10)2
A. above the x-axis: (-?, -10), (-10, ?) below the x-axis: no intervals B. above the x-axis: no intervals below the x-axis: (-?, -10), (-10, ?) C. above the x-axis: (-10, ?) below the x-axis: (-?, -10) D. above the x-axis: (-?, -10) below the x-axis: (-10, ?)
Write the equation in the standard form ax2 + bx + c = 0. Then identify the values of a, b, and c. Do not actually solve the equation.4y2 + 11 = 0
A. a = 0, b = 4, c = 11 B. a = 4, b = 0, c = 11 C. a = 4, b = 11, c = 0 D. a = 2, b = 0, c = -11
Find the range of the function.f(x) = -8x2 - 112x - 402
A. [0, ?) B. [7, ?) C. (-?, -10] D. (-?, 7]