State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = -14x3 + 9x2 - 7
A. Yes; degree 3
B. Yes; degree 6
C. No; the last term has no variable
D. Yes; degree 5
Answer: A
Mathematics
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Completely factor the polynomial or state that the polynomial is prime.81x2 - 25
A. (81x + 1)(x - 25) B. (9x + 5)2 C. (9x - 5)2 D. (9x + 5)(9x - 5)
Mathematics
Find the difference.13 - (18 - 5)
A. -10 B. 36 C. 0 D. 26
Mathematics
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
tan (sin-1 u)
A. 
B. 
C. 
D. 
Mathematics
Evaluate.6 ? 2-1 + 4 ? 4-1
A. - 4 B. 4 C. -28 D. 28
Mathematics