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SOVA2 [1]
3 years ago
7

Which line in the graph has the equation y= 1/2x + 2

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0

Answer:

3

Step-by-step explanation:

y= mx +b

b the y-intercept and is 2  so is red or purple line

m is the slope = 1/2  so rise 1 and run 2 is the purple line

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Consider the relationship 3r+2t=18
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Answer:

A) f(t)=6-\frac{2}{3}t

B) The value of f(-3) is 8

C) The value of t is 6

Step-by-step explanation:

* Lets explain how to solve the problem

- The relation is 3r + 2t = 18

- To change the relation as a function of f(t) you must to find r in terms

  of t that means put r in one side and the others in the second side

A)

∵ 3r + 2t = 18

- Subtract 2t from both sides

∴ 3r = 18 - 2t

- Divide each side by 3

∴ r = 18/3 - 2t/3

∴ r = 6 - 2/3 t

- Change the equation to a function by using the function notation

∵ r = f(t)

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B)

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- Divide both sides by -2

∴ t = 6

* The value of t is 6

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