Question

PLEASE HURRY ITS TIMED AND ITS 20 POINTS

(-2,160) (-1,40) (0,10) (1,2.5) is this set of ordered pairs satisfy an exponential function?

Answer 1

f(x) has two real roots, -2 and +1. Those are the only x-intercepts.

f(x) has 2 x-intercepts. hope this helps

Answer 2

Yes, the ordered pairs match y = 10·4^(-x).