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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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39 votes
39 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

User Redlus
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3.1k points

2 Answers

21 votes
21 votes
I am not sure but it can be B
User Toomanyredirects
by
3.1k points
26 votes
26 votes
The answer is B
F(x)=x(0.4)^19+7
User Mostafa Elmoghazi
by
2.8k points
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