Find the term indicated in the expansion.(2x + 3)5; 5th term
A. 270x
B. 1215
C. 810x
D. 540x2
Answer: C
Mathematics
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Solve.Find f-1 for the function f = {(1, 5), (3, 8), (-5, -1)}.
A. 
B. Not invertible
C. {(5, 8, -1)}
D. {(5, 1), (8, 3), (-1, -5)}
Mathematics
Give the maximum number of zeros the polynomial function may have. Use Descarte's Rule of Signs to determine how many positive and how many negative zeros it may have.f(x) = x8 - 9
A. 8; 1 positive zero; 1 negative zero B. 8; 1 positive zero; 0 negative zeros C. 8; 0 positive zeros; 1 negative zero D. 8; 0 positive zeros; 0 negative zeros
Mathematics
Evaluate the expression, given x = -2, y = 3, and a = -4.
A. 
B. Undefined
C. - 
D. 0
Mathematics
Factor completely.25x2y2 - 40xy + 16
A. (5xy + 4)2 B. (5xy - 4)2 C. Prime D. (5xy - 4)(5xy + 4)
Mathematics