Provide an appropriate response.Which of the following pairs of parametric equations will graph a semicircle?A. x = cos 2t, y = sin 2t, 0 ? t ? ?B. x = cos t, y = sin t, 0 ? t ? ?C. x = cos t, y = sin t, 0 ? t ? 4?D. x = cos t, y = sin t, 0 ? t ? 

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A. C
B. A
C. D
D. B

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Answer: A

Mathematics

Identify the group of terms as like or unlike.7v4, -13v4

A. Unlike B. Like

Insert < or > to make the statement true.0 _____ 6

A. 0 > 6 B. 0 < 6

Find a formula of the sequence. Use an notation. Use a graphing calculator table to verify your formula., , , , ...

A. a_n =  ? ^n-1
B. a_n =  - (n - 1)
C. a_n =  + (n - 1)
D. a_n = ^n-1- 

Express as a single logarithm.logcx + logcy

A. log_c 
B. log_c(xy)
C. log_cxy
D. log_cx ? log_cy