For the function f, use composition of functions to show that f-1 is as given.
, 
What will be an ideal response?
Answers may vary. One possible solution is:
1. (f-1 ? f)(x) = f-1(f(x)) = f-1
= 7
- 8 = 
- 8 = x;
2. (f ? f-1)(x) = f(f-1(x)) = f
= 
/7 = 7x/7 = x
Mathematics
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Decide if the statement is true or false.
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A. False B. True
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Solve the problem.A basket contains 6 oranges and 4 tangerines. A sample of 3 is drawn. Find the probability that 2 are tangerines and one is an orange.
A. 
B. 
C. 
D. 
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Solve.t + 5.3 = 2.818
A. -2.518 B. -3.482 C. -3.000 D. -2.482
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Solve the problem.Find the area A and circumference C of a circle of diameter 22 in.. Use 3.14 for ?. Round the result to the nearest tenth.
A. A = 138.2 in.2; C = 34.5 in. B. A = 379.9 in.2; C = 69.1 in. C. A = 69.1 in.2; C = 69.1 in. D. A = 1519.8 in.2; C = 34.5 in.
Mathematics