Piecewise Functions

Practice Questions

Pre-Calculus › Piecewise Functions

Questions

5

1

Let

$y=\left{\begin{matrix} 2x&x\leq 0\ x+9& x>0 \end{matrix}\right.$

What does equal when ?

2

For the function defined below, what is the value of when ?

$f(x)=\left{\begin{matrix} -x+1&\text{ for }x<1\ x^{2}-2&\text{ for }1< x< 3\ 2^{x}&\text{ for }x\geq 3 \end{matrix}$

3

Determine the value of if the function is

$f(x)=\left{\begin{matrix} x& x<3\ \pi&x=3 \ 4&x>3 \end{matrix}\right.$

4

Determine the value of if the function is

$f(x)=\left{\begin{matrix} \sqrt{x}& 0\leq x<4\ \3&x=4 \ e^{-x}&x>4 \end{matrix}\right.$

5

Let

$y=\left{\begin{matrix} x-9&x\leq 0\ x+9& x>0 \end{matrix}\right.$

What does equal when ?

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