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STEM@HANC_Graph of functions
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A plumber charges $50 for a house call plus $12 per hour for labor. The linear function P(x) represents the cost of the plumber for x hours. P(x) = 50 + 12x ; Find P(4)
$98.00
f(x)=4x+5 ; f(4)=?
21
Find the value of y when x = 2.
8
Which is the graph of y= -x + 2?
A
use your calculator/desmos.com
B
use your calculator/desmos.com
A
use your calculator/desmos.com
B
use your calculator/desmos.com
C
use your calculator/desmos.com
B
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
D:{0, 1, 2, -4} R:{1, -3, -4}
Which set of ordered pairs is a function? (A) {(9,5), (10,5), (9,-5), (10,-5)} (B) {(6,-5), (7, -3), (8, -1), (9, 1)} (C) {(3,4), (4,-3), (7,4), (3, 8)}
(B) {(6,-5), (7, -3), (8, -1), (9, 1)}
Is the relation a function? Why.
No, because the x-value 11 has two y-values pair with it.
All of the x values or inputs are called what?
Domain
What is the range of a function?
the set of all y-values
What is the INITIAL VALUE (the y-coordinate of the y-intercept) of the line?
y = -1
What is the x-intercept shown on the graph?
(-2, 0)
Does the following graph have a maximum or minimum.
Minimum
Is this graph a function or not a function?
Function
What is the definition of function?
Every input has only ONE output
How many relative maximums does this function have?
3
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