Question

Let f(x) = 3x - 10. Find the value of f(-3).
A. 21
B. -1
C. -19

Answer 1

What lesson is this exactly?

Answer 2

alegbra 1

Answer 3

Um like.. you know in the textbook when it says quadratic formula or FOIL or something like that... what would this problem be labeled in the textbook?

Answer 4

Replacement Sets and Variables

Answer 5

Sorry... I don't know how to work this out. /: @amistre64 @satellite73 do any of you know how to do this? o.o

Answer 6

ok :(

Answer 7

Ok so you jus substitute:
f(x) = 3x - 10.
f(-3) = 3(-3) - 10
= -19
:) im in algebra 2