Find the inverse function of f informally.
?
f(x) = 6x
?
A. f-1(x) = 6 - x
B. f-1(x) = 6 + x
C. 
D. f-1(x) = x - 6
E. f(x) = 6x
Answer: C
Mathematics
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A. -25 B. 53 C. 5 D. -10
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Find an equation of the inverse relation.y = 5x - 8
A. y = 
+ 8
B. x = 5y + 8
C. x = 
D. x = 5y - 8
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Estimate the product by rounding each number.6.32 × 5.03
A. 300 B. 3 C. 30 D. 42
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Fill in the blank with one of the words or phrases listed below. Some words may be used more than once. 
In the percent proportion 
= 
.
A. 
B. 
C. 
D. 
Mathematics