Question

The function f(x)=5x+4f(x)=5x+4 models the height of a tree, where x represents the years since the tree was planted for year 3 through year 10.

What is the practical range of the function?

integers from 3 to 10 inclusive

all real numbers between 19 and 54 inclusive

all integers

all real numbers between 3 and 10 inclusive

Answer 1

all real numbers between 19 and 54 inclusive

Explanation:

The correct answer is all real numbers between 19 and 54 inclusive