Are You Having Fun(ction)?
Am I a function?
What's my function?
Key Features of Graphs
Miscellaneous
Sequences and Real world problems
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
Find f(-3)
f(-3) = 2 (approximately)
100
f(n)=2n+1
g(n)=3n
Find f(n)+g(n)
5n+1
100
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
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
What is the RANGE of the situation?
{0,20,40,60,80,100,120}
200
Write the arithmetic sequence representing the pattern below and find the 9th term in the sequence:
-4, 8, 20, 32...
an=12n-16
a9=92
300
Name three words that can be used to describe the input of a function when the graph crosses the x-axis.
What are zeroes, solutions, roots, or x-intercepts.
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 domain and range of this function?
Domain: [-6,6]
Range: [-3,6]
300
f(x)=x^2+7x-5
g(x)=2(x^2-5)
Find
f(3)-g(6)
What is -37
300
Given the arithmetic sequence below, find the 17 term
an=-4n+32
What is -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 input (x) of 2 has two different outputs (y)?
400
For what input(s) is f(x)=5
What is x={-1,3}
400
What does it mean when a graph is "discrete"?
What is a graph that consists of points that are not connected
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 meters
400
A unicorn starts climbing a ladder to a 50 meter platform. The unicorn climbs at a rate of 10 meters/sec, this is modeled by the equation
H(s)= 10x+3
. If the platform is 50 meters high, how long does it take the unicorn to reach the platform?
4.7 seconds
500
The function f(x)=-4x+12 has a given domain of {-3,0,10,18}. What is the range?
What is {-60,-28, 12, 24}?
500
Is this a function and why?
What is no, because x's repeat at 8?
500
Find the input(s) of this function if f(x)=50
f(x)=3(2x^2+6)-4x^2
x={-4,4}
500
f(x) = 2x^2 - 128
What are the zeros of the function?
What is {-8,8}
500
f(x) = 4x + 1 and g(x) = 4x - 3
Find
f(x) * g(x)
16x^2 - 8x - 3
500
Mr. Incredible has an ant farm. When he first bought his ant farm, he had 72 ants. Each week, he gained 483 ants.
1) What is a1?
2) Write an arithmetic sequence to represent an
3) What does n represent?
1) 555 ants
2) an=483n+72
3) The # of weeks