Answer the question.Which one of the equations below matches the graph?
A. y = 4 cos
B. y = 4 cos
C. y = 4 sin
D. y = 2 cos
Answer: B
You might also like to view...
Factor completely.16 + 8x + x2
A. (x - 4)2 B. (x + 4)2 C. (x + 4)(x - 4) D. Prime
Find the derivative of the function.f(x) = 4x2 + 2x + 4 - 
A. f'(x) = 8x + 2 + 
B. f'(x) = 4x + 2 - 
C. f'(x) = 8x2 + 2 - 
D. f'(x) = 4x2 + 2 + 
Solve.Mary and her brother John collect foreign coins. Mary has twice the number of coins that John has. Together they have 105 foreign coins. Find how many coins Mary has.
A. 70 coins B. 35 coins C. 63 coins D. 14 coins
Solve the problem.The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the mean of the data. Round to the nearest hundredth.3.5 1.6 2.4 3.7 4.13.9 1.0 3.6 4.2 3.43.7 2.2 1.5 4.2 3.42.7 0.4 3.7 2.0 3.6
A. 3.09 in. B. 3.27 in. C. 2.94 in. D. 2.80 in.