The exponential equation that represent the graph is y = 2(4)^x
Exponential functions
The standard exponential function is expressed as
y = ab^x
Given the coordinate points (1, 8) and (0,2), the equivalent equations are;
8 = ab^1
2 = ab^0
from equation 2, a = 2
8 = 2b
b = 4
Hence the exponential equation that represent the graph is y = 2(4)^x
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