Determine whether the statement is true or false.If a function f has an inverse function, then f is one-to-one.
A. True
B. False
Answer: A
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The table below shows the hourly rates for a personal trainer at a health club. Write an equation that describes the cost of x hours of training, and then determine the cost of 5 hours: Hours (x) Cost (C) 1 $55 2 $100 3 $130 X ? ?
A. ?? = 55x, C(5) = 275 B. ?C = x + 55, C(5) = 60 C. ?C = 55(3), C(5) = 165 D. ??C = 55x +55, C(5) = 330 E. ?C = 55x, C(5) = 255
Solve the problem. Round to the nearest cent.A carpenter spent $5500 to purchase a table saw , a circular saw, and a panel saw. He paid 
down and financed the balance with a 
fixed installment loan with an APR of 
Determine the monthly payment for the loan and amount of interest paid.
A. Monthly payment = $176.63; Interest paid = $898.92 B. Monthly payment = $157.31; Interest paid = $319.44 C. Monthly payment = $215.71; Interest paid = $971.30 D. Monthly payment = $156.33; Interest paid =$289.90
An equation of the terminal side of an angle ? in standard position is given along with a restriction on x. Find the indicated trigonometric function value of ?. Do not use a calculator.2x + 3y = 0, x ? 0; Find csc ?.
A. 
B. - 
C. 
D. - 
Solve the problem.In her qualifying time trial, a race car driver averages a speed of one hundred 
and seventeen thousandths mph. Write this measurement in decimal notation.
A. 183.17 mph B. 183.017 mph C. 183.002 mph D. 83.170 mph