Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = x
A. Yes, yes
B. No, no
C. Yes, no
D. No, yes
Answer: B
Mathematics
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Use percents, percent equations, and/or percent proportions to solve the application.A community college raises its tuition from $330 per course to 
per course. What is the percent increase? Round to the nearest tenth of a percent, if necessary.
A.
| 93.3% |
B.
| 6.3% |
C. 6.7%
D.
| 93.7% |
Mathematics
Divide.0.388 ÷ 97
A. 0.004 B. 0.0039 C. 0.005 D. 0.003
Mathematics
Convert the given equation to a rectangular equation.r = 
A. x2 - 6y - 9 = 0 B. y2 - 6x - 9 = 0 C. y2 + 6x - 9 = 0 D. x2 + 6y + 9 = 0
Mathematics
Let x be a number. Translate the English phrase or sentence into a mathematical expression. 55 decreased by a number
A. 55 - x B. 55 ÷ x C. x - 55 D. 55 + x
Mathematics