Special Functions

Practice Questions

Pre-Calculus › Special Functions

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1

Which of the following is a point on the following function?

$y=\left | x^2-5x-56\right |+27$

2

If $y=\left |x^3-5x^2+5 \right |$ , then what is the value of when ?

3

Which of the following is a point on the following function?

$y=\left | x^2-5x-56\right |+27$

4

If $y=\left |x^3-5x^2+5 \right |$ , then what is the value of when ?

5

If is the greatest integer function, what is the value of ?

6

If is the greatest integer function, what is the value of ?

7

Let

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

What does equal when ?

8

Let

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

What does equal when ?

9

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

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

10

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

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

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