The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = x2 - 1, x ? 0
B. f-1(x) = 
C. f-1(x) = x2 + 1, x ? 0
D. f-1(x) = (x - 1)2
Answer: C
Mathematics
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Evaluate using the order of operations.
+ 30 - 32
A. 11
B. 12
C. - 
D. - 
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Solve. You will have to square both sides of the equation twice to eliminate all radicals.
- 
= 5
A. 4 B. 3 C. -3 D. no real solution
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Evaluate.9.491
A. 9.49 B. 90.06 C. 1 D. 0
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Solve the problem.A cab company charges a base rate of $1.50 plus 15 cents per minute. Let y be the cost in dollars of using the cab for x minutes. Find the slope-intercept form of the equation.
A. y = 0.15x - 1.50 B. y = 1.50x - 0.15 C. y = 0.15x + 1.50 D. y = 1.50x + 0.15
Mathematics