Find the exact value of the composition.tan-1 

A. - 
B. - 
C. Undefined
D. 0


Answer: A

Mathematics

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Write the negation of the quantified statement. (The negation should begin with "all," "some," or "no.")All athletes are famous.

A. Some athletes are not famous. B. All athletes are not famous. C. All athletes are somewhat famous. D. Some athletes are famous.

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Solve.Alan walked   mi to the store and then another  mi to his friend's house. How far did he walk?

A.  mi
B.  mi
C.  mi
D.  mi

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Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = x2 - 1

A. (-1, 0) B. No x-intercepts C. (-1, 0) and (1, 0) D. (1, 0)

Mathematics

The polar coordinates of a point are given. Find the rectangular coordinates of the point.(400, 130°) Round the rectangular coordinates to two decimal places.

A. (-257.12, -306.42) B. (306.42, 257.12) C. (-257.12, 306.42) D. (306.42, -257.12)

Mathematics