Question

If f(x) = 3x + 4 and g(x) = 5 − x, what is the value of (f · g)(x)?
7x2 – 15x + 16
3x2 – 2x + 15
3x2 – 19x – 15
–3x2 + 11x + 20
–7x2 + 15x + 20

Answer 1

What a coincidence.

Answer 2

Your username does not match with the subject you are trying to find help in.

Answer 3

No offense but don't you think it is too harsh?

Answer 4

Don't worry. I will still help you.

Answer 5

You just multiply the two equations.

Answer 6

(f · g)(x) means f(x) times g(x)

Answer 7

so it will be (3x+4)(5-x)

Answer 8

Use the foil method and figure it out...

Answer 9

nah i really don't like math so that's why i signed up here

Answer 10

Ok??

Answer 11

Oh.

Answer 12

no smartone that is not a choice soo

Answer 13

\[(3x+4)(5-x)=3x(5)-3x(x)+4(5)-4(x)\]

Answer 14

\[15x-3x^2+20-4x=-3x^2+11x+20\]

Answer 15

Yes it is a choice...

Answer 16

oh truee thanks

Answer 17

no problem..

Answer 18

The Smart One really is smart.