Question

Let f(x) = x2 - 3x - 7. Find f(-3). can someone walk me through this?

Answer 1

plug in -3 for x

Answer 2

\[f(-3)=-3^2 - 7\]
Solve the equation

Answer 3

you are forgetting something, also don't do someone else's work.

Answer 4

oh no

Answer 5

\[f(x) = x^2 - 3x - 7\]
\[f(\spadesuit )=\spadesuit ^2-3\times \spadesuit -7\]

Answer 6

\[f(\heartsuit )=\heartsuit ^2-3\times \heartsuit -7\]

Answer 7

\[f(-3)=(-3)^2-3\times (-3)-7\]