3 years ago

13. Which of the following is not an exponential function?

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

7 0

Answer:

the answer to the question is y=5*

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The value of f(-2) is 1/2 or it can be written as 0.5.

Step-by-step explanation:

The given function is

$f(x)=2\cdot 2^x$

We have to find the value of f(-2).

Substitute x=-2 in the given function to find the value of f(-2).

$f(-2)=2\cdot 2^(-2)$

$f(-2)=2\cdot \frac{1}{2^(2)}$

$f(-2)=\frac{1}{2}$

$f(-2)=0.5$

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