Are You Having Fun(ction)?
What's my function?
Key Features of Graphs
Domain & Range
Miscellaneous
100
This word is used to describe the set of all inputs for a function.
What is the domain?
100
Based on the graph of the function, what is f(4)?
f(4) = -2
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
f(n)=2n+1
g(n)=3n
Find f(n)+g(n)
5n+1
200
This word is used to describe the set of all outputs of a function.
What is the range?
200
Find f(4) =
0
200
The shaded region is increasing, decreasing, or constant.
Decreasing Interval
200
Find RANGE:
[-1, infinity)
200
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
300
What is the maximum value of a graph?
The largest y- value of the graph.
300
If f(x)=-3, what does x=?
-4
300
What is the first increasing interval for this graph?
(-4,-2)
300
Find DOMAIN:
all real numbers
(neg infinity, pos infinity)
300
f(x)=x^2+1
g(x)=2x-5
Find
f(x)-g(x)
x^2-2x+6
400
How do you determine if a GRAPH is a function or not?
What is the Vertical Line Test?
400
f(-3) if f(x) = 2x +1
What it -5 ?
400
The y-intercept of the graph.
What is (0, 4)?
400
Find the DOMAIN:
[-5,8]
400
Mr. Mole left his burrow and starting digging a new tunnel. The function that models his industrious activity is given as
F(x)= -2.3x-7
where x is the time in minutes and F is the depth of his tnnel. How long would it take him to dig to -50 meters?
18.696 minutes
500
This word describes any set of ordered pairs where each x-value is paired with one y-value.
What is a Function?
500
Let f(x) = x2 + x + 1; find f(-5).
What is 21?
500
Where is the graph decreasing? (Name ALL intervals.)
(-6,-4)U(-2,2)U(5,6)
500
Find the RANGE:
[-3,2]
500
A chipmunk eats his store of winter acorns at a constant rate of 5 a day. Using the function E(a)= -5a+60 find how long before he eats half of his stash.
6 days