Simplify. Assume that all variables are nonzero.
A. 23
B. -23
C. Undefined
D. 
Answer: B
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Find the domain of the rational function.g(a) = 
A. {
a is any real number}
B. {
a ? 3, -3, -11}
C. {
a ? 3, -3}
D. {
a ? 3}
Provide an appropriate response.The height of an object after t seconds is given by the equation h = -16t2 + 9t + 5. When 
, solving for t means finding the time when the object hits the ground. A student uses the quadratic formula and finds 2 solutions. One is negative and the other positive. Which solution makes sense? Which does not? Why?
What will be an ideal response?
Solve the problem.The Fahrenheit temperature, F, in Siber City in October ranges from 
Write an absolute value inequality whose solution is this range.
A. 
< 57
B. 
< 15
C. 
< 72
D. 
> 42
Answer the question.Consider the numbers 
, -9, -1, 
, 
, 0.
, 0.83. Which are irrational numbers?
A. 
, 0.
B. 
C. 
, 0.
D. 