Match the function with its graph.1) y = sin 2) y = cos 3) y = sin 4) y = cos A)B)?

height="200" width="200" />C)D)?



A. 1A, 2B, 3C, 4D

B. 1C, 2A, 3B, 4D

C. 1B, 2D, 3C, 4A

D. 1A, 2D, 3C, 4B

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Answer: B

Mathematics

When the graph of directed distance is a horizontal line, what can be said about the graph of velocity?

A. It lies above the horizontal axis. B. It lies below the horizontal axis. C. It lies on the horizontal axis. D. The graph of velocity is increasing.

Find f when T = 9.8 msec.

a. 102 Hz b. 980 Hz c. 1.02 KHz d. 9.80 KHz e. 102 KHz

Evaluate the expression. ? ?

A. 5 B. 2 C. 7 D. 3 E. 6

Determine the average rate of change for the function.h(x) = - x - 3

A. 3
B. - 
C.
D. -3