Question

F(x) = 4/9x + 7 linear or nonlinear?

Answer 1

Answer:

linear. :)

Step-by-step explanation:

Answer 2

Answer:

It depends on what you meant. See below.

Step-by-step explanation:

What you wrote means this:

$f(x) = \dfrac{4}{9}x + 7$

This is linear.

If you meant this

$f(x) = \dfrac{4}{9x} + 7$

or this

$f(x) = \dfrac{4}{9x + 7}$

then it's non-linear.

An x in the denominator makes a function non-linear.