Question

Given the function f(x)= 12^2-55x, solve for f(x)=-28

Answer 1

Explanation:

Here,

The functions are ,

`f(x) = 144 - 55x`

and,

`f(x) = - 28`

Then equating we get,

-28 = 144-55x

Solving the value of x would come in decimal i.e.

x = 3.13