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kumpel [21]
3 years ago
14

The relation {(4,10), (1,9), (5,10), (1,10)} is a function

Mathematics
2 answers:
masya89 [10]3 years ago
4 0

for functions to work, there can only be one y value per x value aka if you see a set like this:  

{(4,2), (6,5), (10,1), (3,6), (6,7)}  

It is not a function because there are two y values (5 and 7) for one x value (6).

Anna [14]3 years ago
3 0

it is not a function

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Pls help tap picture to see the three problems
valentinak56 [21]
1. Slope intercept form. First find two points to get slope: (0,-3) and (-3,-4). Slope is
(-4 - -3)/(-3 - 0)= 1/3
Use one of the points of (x,y) to solve for b
Y=1/3x + b
-3 = 1/3(0) + b
-3 = b so your slope intercept equation is
Y = 1/3x - 3

2. Rate of Change is slope. Your points are (0,10) and (24,6) so slope is (6-10)/(24-0)
= - 1/6 which means that for each 1 unit increase in x, y decreases by 1/6.

3. Standard form is ax + by =c
Notice it is the same line as in the first graph so it's the same equation
y = 1/3x - 3
First, you cannot have fractions, so you have to multiply the equation by 3 to get rid of the 1/3.
3y= x - 9. Now move the x over:
-x + 3y = - 9. Now get rid of the negative value on x by multiplying the entire equation by -1:
x - 3y = 9
8 0
3 years ago
Find the gradient of the line passing through (6,8) and (4,10)
Mariulka [41]

Question:

Find the gradient of the line passing through (6,8) and (4,10).

Answer:

-1 is the right answer.

Step-by-step explanation:

Slope of the line = The gradient of the line

Gradient of the line is known as change in the value of y-axis by change in the value of x-axis

Gradient = ∆y\∆x

Gradient = \frac{y_ 2 - y_1}{x_2 - x_1}  =  \frac{(10 - 8)}{(4 - 6)}  =  \frac{(2)}{(- 2)} =\boxed{- 1}\\

7 0
3 years ago
Geometry homework!!!HELP ME PLEASE!!​
Lady_Fox [76]

f= (45*23)/35

k=(35*14)/23

5 0
3 years ago
What is the slope of the line perpendicular to a line that contains the points (-5,4) and (-2,4)
steposvetlana [31]

Answer:

the slope of the line is: 0

Step-by-step explanation:

4-4=0

-2-5= 3

7 0
3 years ago
Find The Quotient of 5/6÷ (-13/7)<br> 5/6÷(-13/7)=5/6. ​
Neko [114]

Answer:

  • - 35/78

Step-by-step explanation:

<u>The quotient of </u>

  • 5/6÷ (-13/7) =
  • 5/6×(-7/13) =
  • - 35/78
8 0
3 years ago
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