Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 165°
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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A certain function is an exponential function of time. The yearly growth factor is 1.47. What is the decade growth factor? Round your answer to two decimal places. ?
A. 0.15 B. 1.04 C. 47.12 D. 14.70
Mathematics
Find the product.(x - 5)4
A. x4 - 20x3 + 150x2 - 500x + 625 B. x4 - 5x3 + 150x2 - 250x + 625 C. x4 - 20x3 - 250x2 - 500x + 625 D. x4 - 20x3 + 150x2 + 20x + 625
Mathematics
Graph the function.f(x) = 2x(x + 2)(x - 1)
A. 
B. 
C. 
D. 
Mathematics
Determine if the graph is symmetric with respect to x-axis, y-axis, and/or the origin.
A. y-axis B. x-axis C. Origin D. x-axis, origin
Mathematics