Graph the function.y =  cos 

A.

B.

C.

D.


Answer: C

Mathematics

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Find the inverse of the function.f(x) = -x2 + 5, x ? 0

A. f-1(x) = 
B. f-1(x) = x2 + 5
C. f-1(x) = - 
D. f-1(x) = 

Mathematics

Multiply.0.08 × 0.4

A. 0.32 B. 0.0032 C. 0.032 D. 3.2

Mathematics

Classify ?ABC using its angles.


(a) obtuse
(b) acute
(c) equiangular
(d) b and c

Mathematics

Simplify. Assume that any variables are positive.-

A. - 
B. - 
C. - 
D. - 

Mathematics