I only need Part B.. FAN AND MEDAL :)
Sam is observing the velocity of a car at different times. After three hours, the velocity of the car is 51 km/h. After five hours, the velocity of the car is 59 km/h.
Part A: Write an equation in two variables in the standard form that can be used to describe the velocity of the car at different times. Show your work and define the variables used.
Part B: How can you graph the equation obtained in Part A for the first six hours?

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- anonymous

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- darkbeautystar

I will help you

- anonymous

Okay, thank you so much! I just need to know how to graph the equation v=4t+39

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## More answers

- darkbeautystar

Graph the equation..... As in like a regular data graph????

- anonymous

I guess..?

- darkbeautystar

What grade are you in?

- anonymous

9th

- darkbeautystar

I'm 7th

- anonymous

Ohh... well idk how to do this

- darkbeautystar

Loser66 can you help her??

- Loser66

OK. From V = 4t +39
if t =1, V_1 = ?

- darkbeautystar

Bye

- anonymous

Okay wait I'm confused :/

- Loser66

why? just plug t =1 into the expression of V,

- anonymous

Okay I did. How do i graph it tho

- Loser66

You have to show me the result.

- Loser66

|dw:1443023752603:dw|

- Loser66

so, you have one point (1, 43) |dw:1443023819727:dw|

- anonymous

ohh, okay! so for the answer I just calculate the slope?

- Loser66

if t =2, then V_2 = 4*2 +39 = 47, the second point is (2,47)|dw:1443023918657:dw|

- Loser66

Do the same for t =3,4,5,6
then link the points to have the graph.

- anonymous

Okay, and then at the end will that give me my answer?

- Loser66

Your question: " How to graph"
My answer: find out the points, link them together. That is the way you graph.

- anonymous

Okay. Well thanks for your help! :)

- Loser66

np

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