Solve the problem.A cellular phone company determines a monthly bill from the x number of minutes of usage. The amount of the bill, B(x), (in dollars) is given by the function: 
Determine the bill of a customer who uses her cellular phone 32.00 minutes during the month.
A. $3.52
B. $33.47
C. $32.00
D. $961.92
Answer: B
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Find the inverse of the following one-to-one function.f(x) = 7x - 4
A. f-1(x) = 
B. f-1(x) = 
+ 4
C. f-1(x) = 
D. Not invertible
For the following question(s), refer to the digraph below.
Suppose that the vertices of the digraph represent golfers playing in a tournament and the arcs represent Matches already played. An arc going from vertex X to vertex Y means that team X beat golfer Y. (No ties are possible in golf matches.) Which of the following statements [A), B), C), or D)] is not true?
A. A and B were the only two players that played each other twice. B. B and C were the only two players that did not play each other. C. A played a total of 4 matches, winning 2 and losing 2. D. E defeated B and C but lost to A and D. E. all of these statements are true.
An equation that defines y as a function of x is given. Rewrite the equation using function notation f(x).x - 2y = 18
A. f(x) = - 
x + 9
B. f(x) = 
x - 18
C. f(x) = 
x - 9
D. f(x) = -x + 9
Solve the problem.Weather is classified as sunny or cloudy in a certain place. What are the long-term predictions for sunny and cloudy days? Round numbers to the nearest thousandth.SunnyCloudy 
A. 
B. 
C. 
D. 