jazminebullock22 jazminebullock22

28-03-2020
Mathematics

contestada

An exponential function f(x)=a⋅bx passes through the points (0, 4) and (2, 64). What are the values of a and b?

Respuesta :

29-03-2020

Answer:

a=b=4

Step-by-step explanation:

[tex]f(x) = a\cdot b^x\\f(0) = a = 4\\f(2) = 4b^{2} = 64 \rightarrow b = 4\\ f(x) = 4 \cdot 4^x[/tex]

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