Does the mapping diagram represent a function? Why or why not? X
-7
o
8
A. Yes; each input pairs with only one output.
B. No; the output value y = -4 pairs with two different input values.
C. No; each input pairs with only one output.
D. No; the input values x = -7 and
x = -1 are paired with the same output value.

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !