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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.

Respuesta :

calculista

Answer:

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

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