Linear Models
Quadratic Models
Exponential Models
Which one?
Misc
100
Which of these graphs shows a linear function?
f(x) g(x) h(x)
h(x)
100
Which of these graphs shows a quadratic function?
f(x) g(x) h(x)
f(x)
100
Which of these graphs shows a exponential function?
f(x) g(x) h(x)
g(x)
100
If the x-variable is time (seconds) and the y-variable is distance in (meters), what is an appropriate term for the rate of change?
*remember change in y over change in x
meters per second
100
What movie feature a character name Neo?
The Matrix
200
In order to calculate if a function is linear, we have to look at the _______?
A) First Differences
B) Second Differences
C) Ratios
First Differences
200
In order to calculate if a function is quadratic, we have to look at the _______?
A) First Differences
B) Second Differences
C) Ratios
Second Differences
200
In order to calculate if a function is exponential, we have to look at the _______?
A) First Differences
B) Second Differences
C) Ratios
Ratios
200
Determine if this data belongs to a function that is linear, quadratic or exponential.
Linear because the first differences are the same.
200
What children's animated show was created by two zoologists named Chris and Martin?
Wild Kratts
300
True or False.
A linear relationship implies different changes over equal intervals.
False.
A linear relationship implies equal changes over equal intervals.
300
Is the rate of change for this function positive or negative over the interval 2 < x < 3?
Decreasing
300
True of False
In an exponential relation, there is a constant percent increase/decrease over equal intervals.
True
300
True or False
This table of values shows the data of a quadratic function.
True
300
Which country is the biggest exporter of coffee beans?
Brazil
400
If the a linear function is y=3x + 5, predict what the function will be at x=20
y=3(20) + 5
y=60 + 5
y=65
400
If a quadratic function is y=3x2+2x+5, predict what the function will be at x=4
y=61
400
If the equation for an exponential function is y=4 (5x), predict what the function will be at x=2.
y=100
400
Determine if this data belongs to a function that is linear, quadratic or exponential.
Exponential because the ratios are the same.
400
What year did the Titanic sink?
1912
500
Determine if this graph has a positive, negative, or zero rate of change?
Positive
500
Which function is a quadratic?
F(x) is a quadratic
500
Which of the following IS an example of an exponential model?
A) f(x) = 3(2)x-2 B) g(x) = -4(x-2)2
C) h(x) = 3(2x-1) D) j(x) = 3x2 + 4x
A) f(x) = 3(2)x-2
500
Determine if this data belongs to a function that is linear, quadratic or exponential.
___x______y____
0 3000
1 2950
2 2900
3 2850
4 2800
Linear because the rate of change is constant
500
What is the highest voice range for female singers?
Soprano