Decide whether the expression is or is not an identity.cot2  = 

A. Identity
B. Not an identity


Answer: A

Mathematics

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Determine whether or not the given pair of values is a solution of the given system.x = -2, y = 3x + y = 5x - y = -1

A. Yes B. No

Mathematics

Determine whether f and g are inverses by determining whether  and f(x) = , g(x) = 

A. Yes B. No

Mathematics

Factor completely. If the polynomial cannot be factored, say it is prime.5y6 - 19y3 + 12

A. (5y3 - 3y2 + y - 4)(y3 - 4y2 + y - 3) B. (5y3 - 4)(y3 - 3) C. y2(5y2 - 4)(y2 - 3) D. y4(5y - 4)(y - 3)

Mathematics

Find area of figure. Round to the nearest hundredth if necessary.

A. 143 yd2  B. 572 yd2  C. 242 yd2 D. 286 yd2 

Mathematics