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  • 25-05-2019
  • Mathematics
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Given f(x) = e^x and g(x) = x – 2, what is the range of (g*f)(x)

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carlosego
carlosego carlosego
  • 25-05-2019

For this case we have the following functions:

[tex]f (x) = e ^ x\\g (x) = x-2[/tex]

By definition we have to:

[tex](f * g) (x) = f (x) * g (x)[/tex]

Substituting:

[tex](f * g) (x) = e ^ x (x-2)[/tex]

The range of the function is given by all values of "and" valid. That is, all the real numbers.

ANswer:

(-∞,∞)

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