Mean, Median, and Mode
Comparing Functions
Exponential Transformation
Geometric Sequence
Key Features of Exponential Functions
100
Find the median of the numbers
1,2,3,4,5,6,7,8,9 and 10
Median:5.5
100
Is the equation linear, exponential, or quadratic?
y = 2x+ 4
Linear
100
What is the transformation?
y=3x+2
Vertical Translation up 2
100
Determine whether the sequence is arithmetic, geometric, or neither
-4,1,6,11..
Arithmetic
100
What is the range of this graph?
y > -6
200
Find the mode from these test results
90, 80, 77, 86, 90, 91, 77, 66, 69, 65, 43, 65, 75, 43, 90
Mode:90
200
What is the y-intercept in the equation y= -2x + 5
5
200
What is the transformation?
y=2x-1-2
Vertical Translation down 2 and Horizontal Translation left 1
200
Determine whether the sequence is arithmetic, geometric, or neither
2,8,32,128..
Geometric
200
Given y=3x determine the y-intercept
(0,1)
300
Find the mean of these numbers
100, 1050, 320, 600 and 150
Mean:444
300
What type of function is this equation:
y= -3x + 12
Linear
300
What type of function is y = 7(5/4)x?
Exponential Growth
300
Find the common ratio for the geometric sequence
10,20,40,80..
2
300
Identify the y-intercept {initial value} of the function f(x)=2(4)x.
2
400
The following numbers represent the ages of people on a bus: 3, 6, 27, 13, 6, 8, 12, 20, 5, 10. Calculate their mean of their ages
Mean:11
400
Which of the following is NOT a quadratic function
A. f(x) = -3x2 B. f(x) = -5x - 3x2
C. f(x) = 3x3 - 4x2 + 5 D. f(x) = 3x + 5
C. f(x) = 3x3 - 4x2 + 5
or
D. f(x) = 3x + 5
400
What is the transformation?
y=-2x
Reflection across the x-axis
400
Write the explicit formula for the geometric sequence
10,20,40,80..
an = 10(2)n-1
400
Given the function, f(x) = 6.5(0.85)x, identify the initial value.
6.5
500
The following represents age distribution of students in an elementary class. Find the mode of the values: 7, 9, 10, 13, 11, 7, 9, 19, 12, 11, 9, 7, 9, 10, 11
Mode:9
500
Jim compared the function f(x) = 20(1.2)x to the function that fits the values in the table.
What is the distance between the y-intercepts of the two functions?
14
500
What is the Range?
y=-2x(-infinity,0)
500
Find the common ratio for the geometric sequence
7,-7,7,-7..
-1
500
Given the function, f(x) = 6.5(0.85)x, identify the growth/decay rate.
0.85