Question

Perform the indicated operation. f(n) = 4n - 5, g(n) = n^2 - 5 Find: (f - g) (n)

Answer 1

Hi there!

$\large\boxed{-n^2 + 4n}$

Begin by evaluating f - g:

4n - 5 - (n² - 5)

Simplify:

4n - 5 - n² + 5  = 4n - n²

Or it can be written as -n² + 4n to match the first answer choice.