Solve the equation.log9 (2x + 6) = log9 32
A. {52}
B. {76}
C. {13}
D. 
Answer: C
Mathematics
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Evaluate or simplify the given expression.cos-1 
A. 
B. 
C. 
D. - 
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Perform the addition.5 + 2.12 + 0.674
A. 2.206 B. 6.446 C. 3.554 D. 7.794
Mathematics
Find the one-sided limit.
A. 3 B. -6 C. -3 D. 6
Mathematics
The graph shows the monthly revenue in millions of dollars of a growing company after the company doubled its advertising. Use the graph to solve the problem. 
What is the y-intercept?
A. 1 B. 4 C. 6 D. 2
Mathematics