Sketch the graph of the given equation over the interval [-2?, 2?].y =  cos 

A.

B.

C.

D.


Answer: D

Mathematics

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Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2

A.  log2m +  log2n -  log2k
B. 5 log2m + 9 log2n - 2 log2k
C.  log2m +  log2n - 2 log2k
D.  log2m ?  log2n ÷ 2 log2k

Mathematics

Evaluate the expression. 

A.  
B. 330
C. 1,663,200
D. 7920

Mathematics

Divide.

A. r2 - 4 B. r2 + 4 C. r + 4 D. r - 4

Mathematics

Decide whether the following is a statement or is not a statement.My favorite baseball team will win the pennant.

A. Not a statement B. Statement

Mathematics