Match the polynomial function with the graph.y = -x4 + 9x2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Give the equation of the horizontal asymptote, if any, of the function.f(x) = 
A. y = 0 B. y = 4 C. y = 3 D. none
Mathematics
The function f is one-to-one. Find its inverse.f(x) = x2 + 1, x ? 0
A. f-1(x) = 
- 1, x ? 0
B. f-1(x) = 
, x ? 1
C. f-1(x) = 
, x ? -1
D. f-1(x) = 
- 1, x < 0
Mathematics
The cost per day to society of an epidemic is 
, where C is in dollars, x is the number of people infected on a given day, and y is the number of people who die on a given day. If 18,500 people are infected and 10 people die on a given day, what is the cost to society? Round your answer to the nearest dollar.
?
A. ?
B. ?
C. 
D. ?
E. ?
Mathematics
Simplify.2(3 - 10)2 - 4(6 - 10)3
A. 354 B. 158 C. -354 D. -158
Mathematics