Which inequality sign would you use for

Less than equal to

What is the y- intercept?
y=-2x+4
(0, 4)

f(x) - g(x)
-x+1
Find the domain using interval notation

(-5,1]

f(g(2))
5
Which inequality sign would you use for:

Less than

What is the formula for finding the slope of a line?
(y_2-y_1)/(x_2-x_1

g(x)-f(x)
x-1
Find the range using interval notation

[-3, 1]
Factor:
x^2-x-20
(x-5)(x+4)
Which inequality sign would you use for:

Greater than
If the slope of a line is undefined, what type of line is it? (rising, falling, vertical, or horizontal)
Vertical

(fg)(x)
2x^2+2x
Find the domain using inequality notation

1<=x<=10

f(f(3))
5
Write the equation for:

x>4
If the slope of a line is 0, what type of line is it? (Horizontal, vertical, rising, or falling)
Horizontal

f(g(x))
2x+1
Find the range using inequality notation

-2<=y<=7
What does this symbol mean?

All real numbers
(-infty, infty)
Write the equation for:

y<=-2/3x+1
Find the slope between the two points, then state whether the line is rising, falling, is horizontal or vertical.
(0, 9) and (2, 5)
Slope is -2
Falling
Find the domain using exclusion notation
f(x)/g(x)
x!=0
Find the range using interval notation

(-infty, 4]
True or false. An equation containing x2 will always contain a plus/minus when solving for x.
True!