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?

asked Feb 18, 2019 122k views

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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?

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

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

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

SRR answered Feb 24, 2019

by SRR

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