The graph below shows the amount of money left in the school’s desk fund, f, after d desk have been purchased.
for each new desk that is purchased, by how much does the amount of money left in the school's desk fund
decrease?

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

1

x = 1

step-by-step explanation:

0 ÷ x = 0

0 ÷ 1 = 0

you ignore the remainder, therefore the answer is y = x+2

step-by-step explanation:

you have to divide the denominator by the numerator. you can use synthetic division or long division.

[-5] .     1 .     7 .     11

x + 2 + 1/x+5