If y varies directly as x, find a linear function which relates them.y = 9 when x = 
A. f(x) = 
B. f(x) = 
C. f(x) = x + 
D. f(x) = 72x
Answer: D
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Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Solve the problem.On the September 15 billing date, the Jeffersons had a balance due of $113.55 on their credit card. The transactions during the following month were: 
The interest rate on the card is 1.8% per month. Using the previous balance method, find the finance charge on October 15.
A. $2.04 B. $0.39 C. $51.59 D. $49.93
Factor completely.16 - 28z - 8z2
A. -4(z - 4)(2z + 1) B. (z + 4)(-8z + 4) C. (4z + 16)(-2z + 1) D. -4(z + 4)(2z - 1)
A large number of female llama were studied. It was found that this species of llama has a mean gestation period of 350 days with a standard deviation of 11 days. (Gestation period is defined as the time from conception to birth.) Use this to information to solve the problem.
What percent of llamas have a gestation periods between 328 and 372 inches?
A. 99.7% B. 47.5% C. 68% D. 95%