Evaluating
Expressions and
Characteristics
of Functions
and More
100
Find f(0):
f(x) = x
What is 0?
100
True or False? These expressions are equivalent.
3(x-2)
3x-6
True
100
This is the concavity of this function:
What is concave up?
100
Is the following a function?
{(3,4),(4,5),(5,6),(6,7)}
Yes
100
This is the concavity of this function:
f(x)=-4(x-3)^2+6
What is concave down?
200
Find f(-3):
f(x) = x2 + 2x
What is 3?
200
True or False? These expressions are equivalent.
4(x-3)+3x
7x-3
False
200
f(x)=(x+2)(x-7)
(-2, 0 ) and (7, 0) are the __________ of this function.
What are the x-intercepts?
200
Is the following a function?
No
200
The y-intercept of
f(x)=4x^2+7x+9
What is (0, 9)
300
Find f(20):
f(x) = (x - 10)(x + 2)
What is 220?
300
True or False? These expressions are equivalent.
(x+3)(x-2)
x^2+x-6
True
300
The axis of symmetry for this function.
f(x)=5(x-9)^2+2
What is x = 9?
300
This is the a graphical representation of this type of function:
What is a Quadratic Function?
300
The vertex of this quadratic function:
f(x)=5(x+3)^2
What is (-3,0)?
400
Find f(-5):
f(x) = -x2 + 3x - 9
What is -31?
400
The form of this quadratic:
f(x)=x^2+2x+3
What is Standard Form?
400
The axis of symmetry of this quadratic.
What is x = -5?
400
This type of function is defined by having a having an x raised to the power of one.
f(x)=3x+2
What is a Linear Function?
400
The y-intercept of this function.
f(x)=3(x+2)(x+8)
What is (0, 48)?
500
Find f(3):
f(x) = 2x + 4
What is 12?
500
The form of this quadratic.
f(x)=(x+2)^2-12
What is Vertex Form?
500
The vertex of this function.
f(x)=x^2+2x
What is (-1,-1)?
500
This type of function could have the following table of values:
What is a linear function?
500
The factored form equation for this function:
What is f(x) = -(x+1)(x-3)?