Josh mows grass to earn extra money. He charges $25.00 for each lawn. He mows at least 5 yards each week; but not more than 20 yards. The function f (x) = 25x models his income. Write the domain of the function as an inequality.

Question

Milo Davila

Mathematics

12 December, 18:01

Josh mows grass to earn extra money. He charges $25.00 for each lawn. He mows at least 5 yards each week; but not more than 20 yards. The function f (x) = 25x models his income. Write the domain of the function as an inequality.

+3

Answers (1)

Know the Answer?

Melvin Hunt · Answer 1

Let

x = number of yards mowed

The domain of the function is

5 ≤ x ≤ 20

If we multiply the inequality by 25, we get

125 ≤ 25*x ≤ 500

Which is the same as

125 ≤ f (x) ≤ 500

(Range of the function)

Domain 5 ≤ x ≤ 20

Range 125 ≤ f (x) ≤ 500