For the given function f(x), find f-1(x).f(x) = 
x + 7
A. f-1(x) = 3x + 21
B. f-1(x) = 3x - 21
C. f-1(x) = 
x - 7
D. f-1(x) = 
x + 3
Answer: B
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Provide an appropriate response.The graph of an exponential function with base a is given. Is a > 1 or is 0 < a < 1? Explain how you arrived at your answer. Give the domain and range of f. f(x) = ax 
What will be an ideal response?
Solve the problem.Find the average of the list of Celsius temperatures. -21°, -1°, -1°, -3°, -2°, and 4°C
A. -5°C B. -3°C C. -4°C D. -2°C
Subtract.-15 - (-9)
A. 24 B. -6 C. 6 D. -24
Solve the problem.Tickets to a ballet cost $14 if bought in advance. If bought on the date of the ballet, they cost $24. For the ballet to make a profit, the total money collected from ticket sales must be at least $380. Write an inequality to represent this situation, using x for the number of tickets bought in advance and y for the number of tickets bought on the date of the ballet. Graph the equation.
A. 14x - 24y ? 380
B. 14x - 24y ? 380
C. 14x + 24y ? 380
D. 14x + 24y ? 380