Find the amplitude or vertical shift as requested.Find the amplitude of f(x) = 5 cos (3x) + 
A. 15
B. 5
C. 
D. 3
Answer: B
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Assume that f is an even function, g is an odd function, and both f and g are defined on the entire real line. State whether the combination of functions (where defined) is even or odd.f ? f
A. Even B. Odd
Fill in the blank with one of the words or phrases listed below. Not all choices will be used and some choices may be used more than once.
The 
of a list of terms is the product of all common factors.
A. difference of two squares B. perfect square trinomial C. difference of two cubes D. greatest common factor
Find the area of the triangle by using Heron's formula. Round the answer to the nearest tenth. All sides are measured in inches.a = 8.9, b = 10.5, c = 14.5
A. 49.4 sq in. B. 52.4 sq in. C. 46.4 sq in. D. 55.4 sq in.
Find the sum of the infinite geometric series.16 + 8 + 4 + 2 + . . .
A. 16 B. - 16 C. 28 D. 32