A function doubles each input. What does the inverse function do?
A. Doubles each input
B. Adds 2 to each input
C. Subtracts 2 from each input
D. Halves each input - ...ANSWER...D
Sales tax in your state is 7%.
Which function models the amount of sales tax, T, when you spend x dollars?
A. T(x)=7+x
B. T(x)=0.07+x
C. T(x)=7x
,D. T(x)=0.07(x) - ...ANSWER...D
Your daughter babysits and charges $8 per hour.
Select the function that models the amount of money she earns when
babysitting for h hours.
A. B(h)=8h B.
B(h)=h+8
C. B(h)=8h
D. B(h)=8+h - ...ANSWER...C
Your business currently has 12 employees. You plan to add three new
employees each year for the life of your business. Which function below models
your plan? Note that N represents the number of employees while y=0
corresponds tothe current year.
A. N(y)=12y+3
B. N(y)=36+y
C. N(y)=12+3y
D. N(y)=12-3y - ...ANSWER...C
The temperature outside is currently 50 degrees Fahrenheitand decreasing at a
rate of 2 degrees per hour.
Choose the function that models this scenario.
A. T(h)=50h-2
B. T(h)=50+2h
C. T(h)=50-2h
D. T(h)=50h+2 - ...ANSWER...C
, The cost to mail a package that weighs z ounces is given bythe function
C(z)=$2.50+0.08z.
How much would it cost to mail a package that weighs 14ounces?
A. $13.24
B. $14.20
C. $2.58
D. $3.62 - ...ANSWER...D
You currently earn $62,000 annually and will be given a pay raise soon. If the
pay raise is given as a percentage or rate, r,the increase in pay, I, can be
represented by the function I(r)=62,000(r).
What is the increase in pay if you were given a 9% raise?
A. $3,580
B. $67,580
C. $558,000
D. $5,580 - ...ANSWER...D
You purchase a compact car for $22,000. The depreciation value after t years is
given by the function: V(t) = 22,000 - 1400t. Find the value of the car after three
years.
A. $17,800
B. $20,600
C. $26,200
D. $61,800 - ...ANSWER...A
Given the function C(p)=20-p, which of these would be acoordinate on the
graph?
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