Function Junction
Graph It Like It's Hot
Do the Math
Domain and Range
100
This is what you plug into a function to get at an output.
What is the input (or x-value)?
100
This is the point where a graph crosses the y-axis.
What is the y-intercept?
100
Solve for x
5x = 10
X = 2
100
This is the set of all outputs created by a function.
What is the range?
200
If f(4) = 10, then 4 is the input and 10 is this.
What is the output (or f(x))?
200
This kind of graph has the shape of a straight line.
What is a linear function?
200
Solve for x
2x+5 = 7
x = 1
200
What is the domain of this function?
What is {2,5,10}
300
This is the set that contains all possible inputs that a function can take and where it is defined.
What is the domain?
300
This kind of graph has a "U" shape.
What is a parabola or quadratic equation (or x2)
300
Solve for x
2(x+1)+2 = 2
x = -1
300
Is the following a function or a relation?
What is a relation? (not a function)
400
You can tell if a graph represents a function by using this test.
What is the vertical line test?
400
This kind of graph has a "V" shape.
What is absolute value function?
400
Solve for x
1/10x+7=5
X = -20
400
Find the domain of this relation.
-4<=x<=4
500
If
f(x) = 3x+2 and g(x) = x^2
Then this is what (f (g(x)) equals.
What is
f(g(x)) = 3x^2 +2
500
Name a shape that is NOT a function.
What is circle (or any shape that fails vertical line test)
500
Solve for x:
2/(3*x)=3
x=1/3
500
What is the domain of the following function?
y=1/x
The domain is
x =/= 0
or
x<0 and x>0
600
This is a collection of ordered pairs.
What is relation
600
What is a function that gives the same output for every input?
What is a constant function
600
Solve for x
5/(2x-3) = 2
X = 11/4
600
What is the domain and the range of the following graph?
Domain: {-infinity, +infinity}
Range: {0, +infinity}