Find a symbolic representation for f-1(x).f(x) = 4x - 3
A. f-1(x) = 
B. f-1(x) = 
C. Not a one-to-one function
D. f-1(x) = 
+ 3
Answer: B
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Solve the equation.
+ 
= 
A. 192 B. 32 C. 48 D. 0
An economy's consumer price index (CPI) is described by the function 
, where 
corresponds to 1995.
? At what rate was the CPI changing in 1997? ? __________ pts/yr ? At what rate was the CPI changing in 2004? ? __________ pts/yr ? At what rate was the CPI changing in 2005? ? __________ pts/yr ? What was the average rate of increase in the CPI over the period from 1997 to 2005? ? __________ pts/yr What will be an ideal response?
Solve.The sales of a new product (in items per month) can be approximated by 
, where t represents the number of months after the item first becomes available. Find the number of items sold per month 3 months after the item first becomes available.
A. 2300 items per month B. 500 items per month C. 400 items per month D. 1300 items per month
Graph. State the domain, range, and vertical asymptote of the function.f(x) = ln(x + 3)
A. Domain: (-3, ?), range: (-?, ?)
Vertical asymptote: x = -3
B. Domain: (3, ?), range: (-?, ?)
Vertical asymptote: x = 3
C. Domain: (3, ?), range: (-3, ?)
Vertical asymptote: x = 3
D. Domain: (-3, ?), range: (-3, ?)
Vertical asymptote: x = -3