Question

F(x) is a linear function. f(0) = 7 and f(3) = 5. Find the equation for f(x).

Answer 1

Let us calculate the slope of the line. We get two points (0,7) and (3,5)

`m=(7-5)/(0-3)=-(2)/(3)`

given the slope we have that

`f(x)=-(2)/(3)x+7`

so the function is:

`f(x)=-(2)/(3)x+7`