Domain and Range
Slope, Parallel, and Perpendicular Lines
Functions?
Miscellaneous
Evaluating Functions
100
Find the domain of the following set:
{(2, 1) (-1, 0) (-1, 3) (0, 2) (-5, 1)}
D: {-5, -1, 0, 2}
100
Find the equation of the line with a slope of 6 and passing through (0,5)
y=6x+5
100
Does the following represent a function? Why or why not?
{(2, 1) (-1, 0) (-1, 3) (0, 2) (-5, 1)}
No, -1 has two different outputs.
100
What is the formula for direct variation?
y=kx
100
f(x) = 3x + 4
Find f(2).
f(2) = 10
200
Find the range of the following set:
{(2, 1) (-1, 0) (-1, 3) (0, 2) (-5, 1)}
R:{0, 1, 2, 3}
200
What is the slope of the line between (3,-2) (-5.4)
-3/4
200
Does the following represent a function? Why or why not?
No because -2 goes to both 1 and 3.
200
What is the formula for inverse variation?
y=k/x
200
What is f(5)?
f(5) = 4
300
Find the domain and range of the following:
{(0, 1) (0, 2) (0, 0) (0, -2) (0, -8)}
D: {0}
R: {-8, -2, 0, 1, 2}
300
What is the slope of the line that is perpendicular/parallel to y=3/4x+2
perpendicular: -4/3
parallel: 3/4
300
Is the following a function?
No, it doesn't pass the vertical line test.
300
Let x and y be DIRECTLY related. If x is 20 when y is 5, find y when x is 60.
y=15
300
g(x) = x2 -3x + 4
What is g(3)?
g(3) = 4
400
What is the domain of the following?
{2, 3, 5, 7, 9}
400
Find the equation of the line parallel to y=2x+6 and passing through (4,5) Give answer in slope intercept form.
y=2x-3
400
Is the following a function?
No, it doesn't pass the vertical line test.
400
Let x and y be inversely related. If x is 2 when y is 12, find y when x is 4.
y=6
400
f(x) = square root of 6x2+1
when x=-2
f(-2)=5
500
Tell what type of function this is and Give the domain and range of the following function in function notation:
f(x)= 5x/x+2
Domain: Rational x+2=0 x=-2
All real numbers except x=-2 (-infinity, -2) (-2, infinity)
Range: 5/1=5. (-infinity, 5) (5, infinity)
500
Find the equation of the line perpendicular to y=2x+6 and passing through (4,5) Give answer in standard form.
x+2y=14
500
Is the following a function? Why or why not?
1.) f(x)=x2+5x-6
2.) f(x)=+/- square root of x-5
1)Yes, it is a function.
2) Not a function. 2 different outputs for x.
500
Graph the following equation:
2x-y=5Show your teacher
500
g(x) = 0.5x - 4
What is g(2y - 4)?
g(2y - 4) = y - 6