Refer to the graph of the invertible function g to solve the problem.Find g-1(2)
A. 1
B. 3
C. -2
D. -1
Answer: A
Mathematics
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Solve the system by the substitution method.
A. {(0, 1), (-1, 0)} B. {(0, -1), (-1, 0)} C. {(0, -1), (1, 0)} D. {(0, 1), (1, 0)}
Mathematics
Use the figure to answer the question.The wages of the employees of a company are presented in this histogram. Assume that $6 is in the interval $6-$8, not $4-$6, similarly for $8, $10, and $12.
How many employees earn at least $4 and less than $6 an hour?
A. 10 B. 20 C. 22 D. 34
Mathematics
Factor by grouping.xy + 6x + 5y + 30
A. (x + 5)(y - 6) B. (x - 6)(y + 5) C. (x - 6)(y - 5) D. (x + 5)(y + 6)
Mathematics
Solve the inequality. Write the solution set in interval notation.-6x2 + 7x ? 0
A. 
? [0, ?)
B. 
C. (-?, 0] ? 
D. 
Mathematics