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) = 
Answer: C
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Simplify.130 + 110
A. 2 B. 1 C. 24 D. 0
Solve the problem.
The graph shows the amount of gas in a 200-gallon tank after x minutes have elapsed. (i) Find the slope-intercept form of the equation of the line. (ii) Use the graph to estimate the x-coordinate of the point 
that lies on the line..
A. y = 20x + 8; (8, 168) B. y = 20x; (8, 160) C. y = 20x - 8; (0, 160) D. y = -20x; (8, -160)
Evaluate the function for the indicated input and interpret the result.A(2, 22) where A(x, y) = 
. (A computes the average of two numbers x and y.)
A. A(2, 22) = 24 The average of 24 is the two numbers 2 and 22. B. A(2, 22) = 24 The average of two numbers 2 and 22 is 24. C. A(2, 22) = 12 The average of two numbers 2 and 22 is 12. D. A(2, 22) = 23 The average of two numbers 1 and 11 is 23.
Simplify the complex fraction.
A. 
B. 
C. 
D. 8 - a2