Are You Having Fun(ction)?
Am I a function?
What's my function?
Key Features of Graphs
Domain & Range
Miscellaneous
The "Real" world & Misc.
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 maximum value for the graph?
6
100
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
What is {-2, 3, 2}?
100
Is the relation {(3,4), (4,8), (8,3), (3,9)} a function?
No, there is a repeated x value
100
You are camping at the Grand Canyon. When you pitch your tent at 1:00 PM the temperature is 81 degrees F. When you wake up T 6:00 AM, the temperature is 47 degrees F. What is the average rate of change in the temperature? Round to the whole. Estimate the temperature when you went to sleep at 9:00 PM.
2 degrees F/h
65 degrees F
200
This word is used to describe the set of all outputs of a function.
What is the range?
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
Find the RANGE: {(3,6),(2,6),(3,8),(2,1)}
Range:{6,6,8,1}
200
What is the RANGE of the situation?
{0,20,40,60,80,100,120}
200
Sasha bought a pound of cherries for $8.38. She paid for the cherries using a 10 dollar bill. How many bills and coins would she get back if she was given the minimum number required?
1 dollar bill, 2 pennies, 1 dime, and 2 quarters.
300
What is the maximum value of a graph?
The largest y- value of the graph.
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
What is the first increasing interval for this graph?
[-4,-2]
300
Find DOMAIN:
all real numbers
(neg infinity, pos infinity)
300
Evaluate f(x)= √(x – 2) if x=18
f(18)=4
300
Is (0,0) a solution to the given inequality
9x -9y > -36
yes, 0 > -36
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 domain of 2 has two different ranges 5 and 9
400
Evaluate this function for P(-4) if
P(x)=-1/2x2 + 5x + 2
P(-4)=-26
400
The y-intercept of the graph.
What is (0, 4)?
400
Find the DOMAIN:
-5<=x<=8 or [-5,8]
400
The variables x and y are equal to each other. Write an equation that relates the variables.
x = 0.8, y = 1.6
Evaluate h(2). Enter your answer as a number.
y = 2x
400
Is (-4,6) a solution to the inequality
3/2 x + 2/3 y > 1
No
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 the range of 8 repeats?
500
Find f(4) =
0
500
Is the graph of y=3x+1 continuous or discrete?
Continuous, the line continues without having gaps.
500
Find the RANGE:
-3<=y<=2 or [-3, 2]
500
Can a square root be negative?
No, negative square roots do not exist.
500
Find f(3 + m) for f(x) = x2 + x.
f(3+m)=m2 + 7m + 12