Question

Find f(-7) if f(x) = 2x + 8.


-6
2
3
22


Can you explain again how to work this out im having troube @ilfy214

Answer 1

Sure!

Answer 2

\[f(x) = 2x + 8\]Start with your equation and then plug in the "x" \[x = -7\]\[f(-7) = 2(-7) + 8\]So now you multiply and add! What do you get?

Answer 3

does x equal -7??

Answer 4

Yes!

Answer 5

Now finish your equation...

Answer 6

f(-7)=-6 i think

Answer 7

YES! Correct \[f(-7) = 2(-7) + 8\]\[f(-7) = -14 + 8\]\[f(-7) = -6\]

Answer 8

is tht the awnser @ilfy214 sry i was gone for a bit

Answer 9

@ilfy214

Answer 10

Yes!

Answer 11

kk tyty

Answer 12

Anytime!