valeramirez13 valeramirez13

03-05-2021
Mathematics

contestada

Write an exponential function y = a(b)" whose graph passes through the given
points,
(-1,2),(2,54)

Respuesta :

lynnkc2000 lynnkc2000

03-05-2021

Answer:

y = 6 * 3ˣ

Step-by-step explanation:

y = a * bˣ

(-1 , 2): 2 = a * (b)⁻¹ = a/b a = 2b

(2 , 54) 54 = a * b² = 2b * b² = 2b³

b³ = 54/2 = 27 b = 3

a = 6

Function: y = 6 * 3ˣ

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