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iren2701 [21]
3 years ago
13

Help,, i’m in the middle of a test and i need this answer!

Mathematics
2 answers:
Semmy [17]3 years ago
7 0
I’m just here because the app said I have to answer 2 questions before I can ask one
gayaneshka [121]3 years ago
6 0

Answer:

b

Step-by-step explanation:

brainlest pls

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A function f(x) is graphed on the coordinate plane.
Sidana [21]

Answer: y = - 4x + 2


Explanation:


The graph shows a linear function, which is a first degree polynomial, whose form is ax + b.


The rule or fucntion is f(x) = y = ax + b. This form is called the slope-intercept form, because the coefficient a is the slope of the line and b is the y-intercept.


The graph permits you to calculate both parameters.


1) The slope, a is defined in this way:

  • a = rise / run = [change in y] / [change in x] = [y₂ -y₁] / [x₂ - x₁]
  • you can use the points (0, - 2) and (-1,2):

       ⇒ a = [ 2 - (-2) ] / [ -1 - 0 ] = 4 / (-1) = - 4

2) b, the y-intercept, is the value of the function, y, when x = 0. In the graph you can see that this is - 2. b =  - 2.


3) Substituting the values of a and b in the form y = ax + b, you the rule:

  • y = - 4x - 2


8 0
3 years ago
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Kendal is doing her science homework. For each problem, she uses 3/4 of a sheet of paper. How many sheets of Will she need to co
Vika [28.1K]
9 sheets of paper I believe 
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3 years ago
Sara bought 36 ounces of cheese for 3.24 what was the unit price of cheese​
slava [35]

Answer:

$0.09

Step-by-step explanation:

Unit price= total price/ total units

$3.24/ 36oz= $0.09

3 0
3 years ago
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Find the value of X <br> PLS HELP PLS
IceJOKER [234]

Answer:

x=59

Step-by-step explanation:

x+12+x+x-9=180

3x+3=180

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