Which of the following is an exponential function? Select one: A. f(x)=2.79^x−13.6 B. f(x)=x(0.4)^19+7 C. f(x)=−9x^6+5.44x D. f(x)=−49(x)^x+3

asked Apr 22, 2022 6.1k views

5 votes

Which of the following is an exponential function?

Select one:
A. f(x)=2.79^x−13.6
B. f(x)=x(0.4)^19+7
C. f(x)=−9x^6+5.44x
D. f(x)=−49(x)^x+3

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3 votes

I am not sure but it can be B

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2 votes

The answer is B
F(x)=x(0.4)^19+7

Magnus answered Apr 27, 2022

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