Find the LCD. Do not combine fractions.
, 
A. x + 1
B. x2 - 1
C. (x + 1)(x - 1)2
D. (x + 1)(x2 - 1)
Answer: B
Mathematics
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Evaluate the improper integral.
A. 8 B. -16 C. 16 D. 0
Mathematics
What is the fact family that contains the equality?4 - 0 = 4
What will be an ideal response?
Mathematics
Determine if the relation is a function.
A. Not a function B. Function
Mathematics
Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: 
How many hours of study are needed to score 89? Round your answer to the nearest hundredth, if necessary.
A. 38.70 hr B. 100.93 hr C. 3.87 hr D. 7.16 hr
Mathematics