Are You Having Fun(ction)?
Am I a function?
What's my function?
Graphs and Calculators
Domain & Range
Hodgepodge
100
This word is used to describe the set of all inputs for a function.
What is the domain?
100
What is No, not a function? It does not pass the vertical line test.
100
f(-3) if f(x) = 2x +1
What it -5 ?
100
What is the y-intecept for the graph?
4
100
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
What is {-2, 3, 2}?
100
Is f(10) bigger or smaller than g(3): f(x) = 10x or g(x) = 2ˣ?
Yes f(10) = 100 and g(3) = 8
200
How would you read this: f(-21) = 7
f of -21 is equal to 7
200
What is Yes?
200
Let f(x) = x2 + x + 1; find f(-5).
What is 21?
200
The shaded region is increasing, decreasing, or constant.
Decreasing Interval
200
What is the domain of {(2, 5), (3, 7), (9, 1)}?
{2, 3, 9}
200
What is the RANGE of the situation?
{0,20,40,60,80,100,120}
300
{(−2, 6), (0, 1), (5, −3), (x, 8)}. Which value of x would make this NOT a function: 3, 5, 7, or −1?
5
300
The mapping diagram shows a function or not.
What is No, not a function?
300
Based on the graph of the function, what is f(4)?
f(4) = -2
300
Write this as an order pair: F(-4) = 12
-4,12
300
This word is used to describe the set of all outputs of a function.
range
300
Which is greater at x = 4: f(x) = 2ˣ or g(x) = x + 5?
f(x). 16 is greater than 9.
400
How do you determine if a GRAPH is a function or not?
What is the Vertical Line Test?
400
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
What is No, because the input (x) of 2 has two different outputs (y)?
400
{(−2, 6), (0, 1), (5, −3), (x, 8)}. Which value of x would make this a function?
anything but -2, 0, 5
400
The y-intercept of the graph.
What is (0, 4)?
400
What is the domain of the function?
{0,1,2,3,4,5,6}
400
Anna drops a ball from a third-story window. This equation represents the approximate height, h, in meters, of the ball above the ground after it falls for t seconds.
h(t) = -5t^2 + 45
Evaluate h(2). Enter your answer as a number.
25
500
This word describes any set of ordered pairs where each x-value is paired with one y-value.
What is a Function?
500
Is this a function and why?
What is no, because x's repeat at 8?
500
Find f(4) =
0
500
If h(x) = 2x − 5, find x when h(x) = 11.
x = 8
500
Find the RANGE: f(x) = 4x for 0 < x < 3
0 < y < 12
500
f(x) = 1.2ˣ and g(x) = 2x + 8. What is the smallest positive integer x where f(x) > g(x)?
x = 22 (55.2 > 52). At x = 21, 46.0 < 50.