Show:
Domain, Range & Functions
Evaluating Functions
Slope
Parallel & Perpendicular Lines
Misc?
100
In the relation: (-2,1) (0,2) (5,6) (9,6), the numbers -2, 0, 5, 9.
What is the DOMAIN.
100
Is f(x) = 4 - 5x linear?
Yes
100
A line that has a negative slope is _________ from left to right.
falling
100
Two lines are parallel if their slopes are _________.
Equal
100
What is the ONLY type of line that is NOT a function?
a vertical line
200
In the relation: (-2,1) (0,2) (5,6) (9,6), the numbers 1, 2, 6
What is the RANGE.
200
If f(x) = -3x + 10, evaluate f(-2)
16
200
Find the slope of the line that passes through the points (-6, 0) and (-2, -4)
-1
200
Line 1 has a slope of 3. Line 2 has a slope of 1/3. The lines are parallel, perpendicular, or neither?
Neither.
200
2 x (5 x 7 - 7^2) - 4
24
300
Write the relation below as a table of values. Is the relation a function? (-2,1) (0,2) (5,6) (9,6)
Yes - each input (x) goes to one output (y)
300
If f(x) = x^2 - 3x - 8, find f(-4)
20
300
A ____________ line has an undefined slope.
Vertical
300
Evaluate -x^4 - 3x when x=-1
2
400
Is the following relation a function? Explain. (1,3) (2,3) (3,3) (4,3)
Yes - Each input goes to one output.
400
If f(x) = -x^3 + 2x - 5, find f(2)
-9
400
Find the slope of the line that passes through the points (1, -4) and (1,7). Then say whether the line rises, falls, is horizontal, or is vertical.
m=0 horizontal
400
Two lines are perpendicular if their slopes are _______.
Opposite reciprocals.
400
4 + 5 x 3/5 - 6/7 / 5/7 + 8
69/5
500
What is the easiest way to tell if a graph is a function?
See if it passes the Vertical Line Test.
500
If f(x) = 3/4 x - 13, find f(12)
-5
500
Find the value of k such that the slope of the line passing between the points (2,-4) and (6,k) such that the slope is -2.
k=-2
500
Tell whether the lines are parallel, perpendicular, or neither. Line 1: Passes through (3,2) and (0,3) Line 2: Passes through (-5,0) and (-6,3)
Neither.
500
What is the slope and y intercept of y = 5 - x?
slope = m = -1 y-intercept = b = 5