The exponential function in form of y=abˣ is y=8(3)ˣ because value of a and b are 8, and 3 respectively.
It is defined as the function that rapidly increases and the value of the exponential function is always a positive. It denotes with exponent [tex]\rm y = a^x[/tex]
where a is a constant and a>1
We have:
y=abˣ
(0, 8) and (4, 648)
Plug x = 0 and y = 8
8 = a
Plug x = 4 and y = 648
648 = 8(b)⁴
b = 3
The exponential function become:
y=8(3)ˣ
Thus, the exponential function in form of y=abˣ is y=8(3)ˣ because value of a and b are 8, and 3 respectively.
Learn more about the exponential function here:
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