Find the inverse of the following one-to-one function.f(x) = 
A. f-1(x) = + 2
B. f-1(x) = (x + 2)3
C. f-1(x) = x3 - 2
D. f-1(x) = (x - 2)3
Answer: C
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Solve the problem.Find the number of units that must be produced and sold in order to yield the maximum profit, given the following equations for revenue and cost:R = 7xC
= 0.001x2 + 1.1x + 40.
A. 2950 units B. 4050 units C. 5900 units D. 8100 units
Solve the problem.A paper boy collected $6.55, part in nickels and part in dimes. If the number of nickels was 6 more than one-half the number of dimes, how many nickels were there?
A. 60 nickels B. 41 nickels C. 50 nickels D. 31 nickels
Express the following in interval notation.{x|x > 9}
A. (-?, 9] B. [9, ?) C. (-?, 9) D. (9, ?)
Find the expected value.A car agency has found daily demand to be as shown in the table.Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2