The exponential function is f(x) = 3(0.2)ˣ if the point are provided option fourth is correct.
It is defined as the function that rapidly increases and the value of the exponential function is always positive. It denotes with exponent y = a^x
where a is a constant and a>1
The question is incomplete.
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As we know,
The exponential function is:
f(x) = a(b)ˣ
Plug f(x) = 71 and x = -2
71 = a(b)⁻² ..(1)
Plug f(x) = 3 and x = 0
3 = a
71 = 3(b)⁻²
b = 0.2
f(x) = 3(0.2)ˣ
Thus, the exponential function is f(x) = 3(0.2)ˣ if the point are provided option fourth is correct.
Learn more about the exponential function here:
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