Find the domain of the rational function.h(x) = 
A. {x|x ? 6, x ? 9}
B. all real numbers
C. {x|x ? -6, x ? -9}
D. {x|x ? 6, x ? 9, x ? -7}
Answer: A
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Solve the problem.Below is a diagram of a water slide. The slide is 24 ft long. The ladder leading to the slide is 21 ft long. How far is it from the end of the slide to the foot of the ladder? Round approximations to the nearest tenth. 
?
A. 5.8 ft B. 22.5 ft C. 67.5 ft D. 11.6 ft
Subtract.-15 - 15
A. -30 B. 0 C. -15 D. 30
Solve the problem.The area of the rectangle is (x2 - 9x + 20) square inches, and its width is (x - 4) inches. Find its length. 
A. x + 4 B. x - 5 C. 5 - x D. x + 5
If $10,000 is invested in an account at 5% per year, find the amount of the investment at the end of 12 years for the following compounding methods.
(a) Continuously (b) Daily