Solving for f(x)
What is f(9) if f(x) = x +1
10
What is domain?
The set of x-values
A dog walker walks dogs for a rate of 20$ for 2 hours. What is the constant rate of change?
10$
What is a relation?
A set of ordered pairs
What is your favorite Thanksgiving food?
Answers will vary.
Find f(-1) if f(x) = -4x
4
What is range?
A set of y-values
A fitness instructor exercises about 15 hours per 2 weeks. What is the constant rate of change?
7.5 hours per week
Give me an example of a function.
Answers may vary.
Which NFL football team is the only team is coaches favorite?
Oakland/Las Vegas Raiders
Find f(-2) if f(x) = x2 + 1
5
Find the domain and range for the set of ordered pairs. (-5, 2) (0, -1) (-3, 1) (9, 4)
D: -5, -3, 0, 9
R: -1, 1, 2, 4
A fitness instructor exercise about 10 hours per week. Find the rate of change and write an equation for this scenario.
Rate of Change: 10
Equation: y = 10x
Are the ordered pairs a function?
(1,2) (2, -1) (3, 2) (4,1)
Yes. The domains have exactly one output.
What is the last day of school before spring break?
march 14th
Find f(4) if x2+ 1 -17
0
Find the domain and range of the ordered pairs.
(5, -2) (-2, 1) (3, -3) (4,0)
D: -2,3,4,5
R: -3, -2, 0, 1
A fitness instructor exercises about 20 hours per week. Find the constant rate of change. Write an equation for this scenario. Use the equation to determine the total number of hours the instructor will exercise in 6 weeks.
Rate of Change: 20
Equation: y = 20x
6 weeks of exercise: 180 hours
What is another name for input? What is another name for output?
Input: x-values or domain
Output: y-values or range
What will you be doing during spring break?
anything goes
Find f(-2) if f(x)= 4(x - 2)
-16
Give the domain and range of the ordered pairs, then graph the points given on a graph Ms. Armstrong will provide you with.
(1,2) (-3, -2) (-1, 0) (3, -4)
D: -3, -1, 1, 3
R: -4, -2, 0, 2
What is another name for the constant rate of change?
Slope
Are the ordered pairs a function?
(1,2) (3, -4) (1, 5) (6, 1)
No. A repeated domain values has two different outputs.
Where was Mr. Ramos born?
New York