Would the coordinate points be a function?
(3,6),(4,7), (5,7)
Yes
x | y |
4 | 7 |
5 | 7 |
-2 | 7 |
0 | 7 |
Yes
x | y |
4 | 6 |
2 | 3 |
4 | 9 |
3 | 0 |
No
Would the following set of coordinate points be a function?
(3,7), (4,9), (0,6), (3,7)
Yes
Which diagram is NOT a function?
2
If f(x) = -5x-9
what is f(4)
-29
Given g(x)= -5x -5, what is g(x + 2)
-5x-10-5
-5x-15
Given that f(x)= 9x + 7, what is f(b)
9b+7
Given:
f(x) = 3x-1
g(x) = 2x +4
What is f(6) + g(2)
17+8
25
Which of the following is equivalent to y= -3x+4
a) -y= -3x +4
b) -y= 3x+4
c) f(x)=-3x +4
d) -g(x)=-3x+4
c
Give an example of what may be happening between 6 and 11 seconds.
stopping
Give 3 terms (vocabulary terms) for the "y" values in the table
x | y |
3 | 6 |
4 | 8 |
5 | 10 |
6 | 12 |
output
range
dependent variable
f(x)
Given g(x) = 3x + 7, and the domain is (3,5,7) what would the range be?
16,22,28
returning home
Allison wants to buy shirts that cost $7 each. Write a function for the total cost (y) in relationship to the number of shirts (x)
y= 7x
x | y |
3 | 7 |
4 | 10 |
5 | 13 |
6 | 16 |
What is the function rule?
y = 3x-2
A taxi company charges a flat rate of $3.95 and $.35 per mile. Write a function rule that represents the cost (c) as a function of the number of miles (m) driven.
c= 3.95 + .35m
The prom committee is planning the senior prom. The function P = $25t -$2500 shows the relationship between the profit(p) and the number of tickets.
What does the $2500 represent?
expense of putting on the prom
According to the above graph, write a function that would represent the total salary based on the number of televisions sold (t)
s=100+ 50t
Linear, quadratic, or exponential?
Linear
Linear, exponential, or quadratic function?
Exponential.
Linear, quadratic, or exponential?
X | Y |
1 | 3 |
2 | 9 |
3 | 27 |
4 | 81 |
exponential
Linear, exponential, or quadratic?
X | Y |
2 | 5 |
3 | 10 |
4 | 17 |
5 | 26 |
quadratic
What kind of function would represent the following situation?
A golfer hits a ball.
x = the time that has elapsed in seconds.
y = the height of the ball in meters.
quadratic