Find a formula for the function graphed.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Answer: B
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Find the slope of the line.
A. - 
B. - 
C. 
D. 
The following table shows the earnings for the Juarez family last year. Use this information to answer the question.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400The family used 
of their income on rent payments. How much did they spend on rent for the year?
A. $4590 B. $5032 C. $3570 D. $4275.50
Decide whether the dose is reasonable or unreasonable. If it is unreasonable, indicate whether it is too much or too little.Take 4 kg of calcium per day.
A.
| Unreasonable, too much |
B.
| Reasonable |
C.
| Unreasonable, too little |
Solve the problem.The number of mice in an old barn after the cats are removed can be roughly estimated with the following function: 
where y is the number of mice and x is the number of weeks since a cat lived in the barn. Predict the number of mice there will be in ten weeks if you get rid of the cat in the barn.
A. 16 mice B. 15 mice C. 20 mice D. 14 mice