Question

PLEAS HELP
Elavuate k(2q^2 + 3q) for k(x) =8x + 7q

Answer 1

just substitute 2q^2 + 3q as x in k(x) = 8x + 7q

Answer 2

I still dont get it, i wasnt taught this

Answer 3

2q^2 + 3q put it where the x goes.

Answer 4

k(2q^2 + 3q) for k( 2q^+3q) =8x + 7q?

Answer 5

8 x + 7q
8(2q^2+3q) + 7q
~

Answer 6

Do you see 8x? It's the same as 8(x). Put that expression where the x goes.

Answer 7

Do what?

Answer 8

Do the substitution. Put the expression where you see x.