Determine whether each relation defines a function. {(5,1),(3,2),(4,9),(7,8)}

Determine the intervals of the domain over which each function is continuous.

Write an equation for each line described. Give answers in standard form for Exercises 11–20 and in slope-intercept form (if possible) for Exercises 21–32. through (1,3), m = -2

Determine the intervals of the domain over which each function is continuous.

Let $\text{ƒ}\left(x\right)=x^2+3$ and $g\left(x\right)=-2x+6$. Find each of the following. See Example 1.

$(\text{ƒ}+g)(-5)$

Determine whether each relation defines a function. {(8,0),(5,7),(9,3),(3,8)}

Write an equation for each line described. Give answers in standard form for Exercises 11–20 and in slope-intercept form (if possible) for Exercises 21–32. through (-5,4), m = -3/2

Determine the intervals of the domain over which each function is continuous.

In the following exercises, (a) find the center-radius form of the equation of each circle described, and (b) graph it. center (2, 0), radius 6

Determine whether each relation defines a function. {(2,4),(0,2),(2,6)}

Let ƒ(x)=x²+3 and g(x)=-2x+6. Find each of the following. (ƒ-g)(-1)

Let $\text{ƒ}\left(x\right)=x^2+3$ and $g\left(x\right)=-2x+6$. Find each of the following. See Example 1.

$(\text{ƒ}-g)\left(4\right)$

Determine the intervals of the domain over which each function is continuous.

Determine whether each relation defines a function. {(9,-2),(-3,5),(9,1)}

In the following exercises, (a) find the center-radius form of the equation of each circle described, and (b) graph it. center (0, 4), radius 4

Write an equation for each line described. Give answers in standard form for Exercises 11–20 and in slope-intercept form (if possible) for Exercises 21–32. through (-8,4), undefined slope

Determine whether each relation defines a function. {(-3,1),(4,1),(-2,7)}

Let ƒ(x)=x²+3 and g(x)=-2x+6. Find each of the following. (ƒg)(4)

For the points P and Q, find (a) the distance d(P, Q) and (b) the coordinates of the mid-point M of line segment PQ. P(-5,-6), Q(7,-1)

Determine the intervals of the domain over which each function is continuous.

Determine the intervals of the domain over which each function is continuous.

Determine whether each relation defines a function. {(-12,5),(-10,3),(8,3)}

Let $\text{ƒ}\left(x\right)=x^2+3$ and $g\left(x\right)=-2x+6$. Find each of the following. See Example 1.

$\left(\text{ƒ}g\right)(-3)$

For the points P and Q, find (a) the distance d(P, Q) and (b) the coordinates of the mid-point M of line segment PQ. P(8,2), Q(3,5)

Let ƒ(x)=x²+3 and g(x)=-2x+6. Find each of the following. (ƒ/g)(-1)

Graph each function. See Examples 1 and 2. ƒ(x)=3|x|

In the following exercises, (a) find the center-radius form of the equation of each circle described, and (b) graph it. center (-2, 5), radius 4

Write an equation for each line described. Give answers in standard form for Exercises 11–20 and in slope-intercept form (if possible) for Exercises 21–32. through (5,-8), m = 0

Determine whether each relation defines a function.

Let ƒ(x)=x^2+3 and g(x)=-2x+6. Find each of the following. See Example 1.

(ƒ/g)(5)