Is it a function?
Linear or non-linear?
Intervals
Comparing functions
100
Yes!
There are no repeating inputs!
100
Linear or nonlinear?
y=5x + 8
yes (slope of 5 and y-int of 8)
100
How many segments are increasing?
3 segments
100
Function R: y=8x + 10
Function M: y=-10x + 14
Which function has the highest rate of change?
Function M
When comparing rate of change we do "ignore" positive/negative
200
Is a person's birthday month a function of a person?
Yes, everytime you input Ezequiel, his birthday will always be in November.
200
Which equations below are nonlinear?
A. 4g + 5k = 10
B. 2x2 + 6y = 12
C. (6x)12 = y
D. p=8(3r + 9)
B and C
If there is an exponent, the function is nonlinear.
An exponent of 1 (no exponent) the function is linear
200
Which intervals have a slope of 0?
__<x<__
-3<x<-1 AND
x<5
200
Function A: (0,4) (4, 5)
Function B: y=9x + 4
Which function has the highest initial value?
They have the same initial value
300
Is a person a function of their birthday month?
No, when you input the month of June there are multiple outputs (Brisa, Leslie, and a ton more people)
300
Which graph is linear?
A
300
Which interval is nonlinear, negative?
__<x<__
1<x<4
300
Function H:
Function K: (0, 100) (3, 300)
Which function has a rate of change of 100?
Both!
400
Is the number of iphone sold a function of the year?
Yes, everytime you input the year of 2017, there are 216 million phones sold. (you can't go back in time and change the sale number).
400
Is the table a linear function?
No, it is not increasing at a constant rate.
400
How long was the person stopped for? (2 times)
B to C - 3 hours
D to E - 2 hours
400
Function M: y=x - 2
Function R: (0, -3) (6, -3)
Which function lowest rate of change?
Function R
500
Is the year a function of the amount of iPhones sold?
No because 216 million iphones were sold in 2017 and 2018.
500
Which table is linear?
B, there is a constant rate.
500
Describe the graph, in terms of slope.
Example: A to B has a ____ slope. It is ____. B to C is
Need to check each individual
500
Function A: Write a function with a slope greater than 7 and an initial value less than 6.
Function B: y=-4x + 12
Which function has a higher rate of change
answers will differ