Is this data discrete or continuous?
What is discrete? The dots are not connected since cakes are countable and cannot be donated in fractional pieces.
What is No, not a function? It does not pass the vertical line test.
f(-3) = 2x +1
f(-3) = ?
What is f(-3) = -5 ?
This word is used to describe the set of all inputs for a function.
What is the domain?
The letter that often represents the independent variable in function.
What is x?
Write the function rule.
Kendra has a box of chocolates with 20 pieces in it and eats 2 pieces each day.
What is f(x) = 20 - 2x
This inequality is an AND or OR
|x +3| > 6
This word describes any set of ordered pairs where each x-value is paired with one y-value.
What is a Function?
What is Yes?
Let f(x) = 6x + 1; find f(-5).
What is f(-5) = -29?
This word is used to describe the set of all outputs of a function.
What is the range?
The independent variable in the situation: John earns $10 each hour at his job.
What is number of hours he works?
Write the function rule.
Pam has $135 in her bank account and adds $45 each month to save for a new bike.
What is f(x) = 135 + 45x?
-4 < t + 6 < 10
What is -10 < t < 4?
Name 2 other terms that are synonyms for Domain
Input, x or Independent Variable
The mapping diagram shows a function or not.
What is No, not a function?
Based on the graph of the function, if f(x) = 3 then this is the corresponding x value.
What is x = 2?
Find the RANGE:
{(6,4), (-9,8), ( 7, 4)}
What is R: {4,8}
The number at the pool grows the hotter the daily temperature. In this situation, the number of people at the pool is this.
What is the dependent variable? (it depends on the temperature)
Write the function rule.
Jermaine had 300 ounces of cat litter and used 10 ounces each day.
What is f(x) = 300 - 10x
3 > s + 9 OR 1 < s - 4
What is -6 < s OR s > 5?
How do you determine if a GRAPH is a function or not?
What is the Vertical Line Test?
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
What is No, because the domain of 2 has two different ranges 5 and 9
Evaluate this function for P(-4) if
P(x)=5x + 2
P(-4)=-18
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
What is D: {-2, 2, 3}?
The dependent variable in the situation: How long it takes to get to school if driving an average speed of 65 mph.
What is f(x) = 6x?
The first step in solving this inequality
4|6x + 7| - 2 < 20
What is add 2?
The equation has f(x) in place of y.
What is function notation?
Is this a function and why?
What is no, because the range of 8 repeats?
Find f(x) =0. The corresponding x value(s) are...
James buys tickets to a concert that cost $20 each.
Name the first 3 realistic domain and range values for this situation?
What is Domain is # of tickets
D: {0, 1, 2...}
Range is total cost
R: {0, 20, 40...}
Francie the dog weighed 154 pounds and lost 6 pounds each month. The function rule is f(x) = 154 - 6x.
What does f(x) represent?
What is Francie's weight?
Jake has a vintage car that is worth $45,000. Each year, it increases in value by $700.
What function would represent the value of the car based in x years?
What is f(x) = 45,000 + 700x?
Solve |x - 5| + 2 < 10
What is -3 < x < 13?