Determine the zeros (if any) of the rational function 
.
A. 
B. no zeros
C. ?x = -4, x = 4
D. ?x = 4
E. ?
Answer: D
Mathematics
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For the polynomial, one zero is given. Find all others.P(x) = x4 - 21x2 - 100; -2i
A. 2i, 5, -5 B. 2i, 10, -10 C. 2i, 10i, -10i D. 2i, 5i, -5i
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Divide and simplify. Assume that all expressions under radicals represent positive numbers.
A. 5x2y3
B. 125x2y3
C. 125x5y8
D. 5x2y3
Mathematics
Estimate the slope of the tangent line to the curve at the given point.
A. -1
B. 
C. 2
D. 1
Mathematics