Given $x^5$ if $x<0 and 2x + 1" if "x >= 0$ , how do you find $f(-1)$ ?

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Answer 1 · 2018-01-02T13:18:01

See a solution process below:

For $f(-1)$ , $x < 1$ , therefore we use the formula:

$f(color(red)(x)) = color(red)(x)^5$

Substituting $color(red)(-1)$ for $color(red)(x)$ gives:

$f(color(red)(-1)) = color(red)(-1)^5$

$f(color(red)(-1)) = color(red)(-1)$

Given x^5x^5 if x<0 and 2x + 1" if "x >= 0x<0 and 2x + 1" if "x >= 0, how do you find f(-1)f(-1)?