Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. 
B. cannot be simplified
C. 
D. 1
Answer: C
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Solve the problem.Bert is 16.5 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 3 kilometers per hour. They meet in 3 hours. How fast is Brenda walking?
A. 3 kilometers per hour B. 3.5 kilometers per hour C. 4.5 kilometers per hour D. 2.5 kilometers per hour
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.-
A. Irrational, -17.321 B. Not a real number C. Rational, 150 D. Irrational, 17.321
Divide. 
A. 0.00997 B. 997 C. 0.0000997 D. 0.000997
Find the inverse of the following one-to-one function.f(x) = 
- 4
A. f-1(x) = 8x + 32 B. f-1(x) = x + 12 C. f-1(x) = 8x + 4 D. f-1(x) = 8x - 32