Question
Given that f left-parenthesis x right-parenthesis equals x squared minus 3 x, find f left-parenthesis negative 4 right-parenthesis.
Answers
Answered by
GPT 3.5
To find f(-4), we substitute x = -4 in the equation of f(x).
f(x) = x^2 - 3x
f(-4) = (-4)^2 - 3(-4)
= 16 + 12
= 28
Therefore, f(-4) = 28.
f(x) = x^2 - 3x
f(-4) = (-4)^2 - 3(-4)
= 16 + 12
= 28
Therefore, f(-4) = 28.