When 3 is put into the f (x) machine, 13 comes

out. When 4 is put in, 16 comes out, and when

-3 is put in, - 5 comes out. Explain in words and

with an algebraic equation what this machine is

doing to any number, x, that is put into it.

Question

10 July, 12:13

+2

Answers (1)

Know the Answer?

Josh Guerra · Answer 1

If you look at the pattern it would be x times 3 plus four so your function is f (x) = 3x+4

When 3 is put into the f (x) machine, 13 comesout. When 4 is put in, 16 comes out, and when-3 is put in, - 5 comes out. Explain in words andwith an algebraic equation what this machine isdoing to any number, x, that is put into it.