2. Graphs & Functions

Find the domain of $f\left(x\right)=\sqrt{x+4}$ . Express your answer using interval notation.

State the inputs and outputs of the following relation. Is it a function?

{$(2,5),(0,2),(2,9)$}

Introduction To Relations And Functions Practice 3

State the inputs and outputs of the following relation. Is it a function?

{$(-3,5),(0,2),(3,5)$}

Is the equation $y=-2x+10$ a function? If so, rewrite it in function notation and evaluate at $f\left(3\right)$.

Find the domain and range of the following graph (write your answer using interval notation).

Find the domain of $f\left(x\right)=\frac{1}{x^2-5x+6}$ . Express your answer using interval notation.

Is the equation $y^2+2x=10$ a function? If so, rewrite it in function notation and evaluate at $f(-1)$.