Use the graph of a known basic function and a horizontal stretch or horizontal compression to sketch the function.h(x) = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Decide whether or not the given equation is an identity.2 cos4 x - 3 cos2 x + 1 = sin2 x(2 cos2 x - 1)
A. Yes B. No
Mathematics
Divide. Be sure your answer is simplified.- 
÷ 
A. - 
B. 
C. 
D. - 
Mathematics
Evaluate the function.Given f(x) = (x + 1)2, find f(3).
A. 8 B. 4 C. 16 D. -16
Mathematics
Factor by grouping.t(2 - m) + s(2 - m)
A. (t + s)(2 - m) B. t(2 - m) + s C. No common factor (except 1) D. (t - s)(2 - m)
Mathematics