Simplify. Do not leave negative exponents in your answer.r-2
A. 
B. r1/2
C. -r2
D. - 
Answer: A
Mathematics
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Use the graph to evaluate the limit.
f(x)
A. does not exist B. 2 C. -1 D. -2
Mathematics
What value of ?x gives the minimum value of the quadratic function 
? Round your answer to two decimal places.
?
A. 0.63 B. 1.29 C. 3.44 D. 3.51
Mathematics
Solve the linear equation with the intersection-of-graphs method. Approximate the solution to the nearest hundredth if necessary.
= 
A. -0.8 B. 1.67 C. 1.43 D. -2
Mathematics
Solve the inequality. Write the solution set in interval notation.
< 1
A. 
B. (-?, 8)
C. 
D. 
? 
Mathematics