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Mathematics 17 Online
OpenStudy (anonymous):

The graph below shows the distance (y) in kilometers of two cars from their destination at different times (x) in minutes. The table shows the values plotted on the graph: Time (in minutes) x 0 10 20 30 40 50 60 70 Car 1 (in km) y 70 60 50 40 30 20 10 0 Car 2 (in km) y 70 57.19511 46.73256 38.18388 31.199 25.4919 20.82871 17.01861

OpenStudy (anonymous):

OpenStudy (anonymous):

@tHe_FiZiCx99

OpenStudy (anonymous):

@jdoe0001

OpenStudy (jdoe0001):

so... what are we looking for again?

OpenStudy (anonymous):

hello

OpenStudy (anonymous):

@jdoe0001 I am so sorry

OpenStudy (anonymous):

Part A: What does the x-intercept of the function for car 1 represent? (2 points) Part B: What does the y-intercept of the function for car 2 represent? (2 points) Part C: What is the domain of the functions for car 1 and car 2? (2 points) Part D: What is the average rate of change from x = 30 to x = 40 for the function representing the motion for car 2? What does the value of this average rate of change represent? (4 points)

OpenStudy (anonymous):

we have to answer it

OpenStudy (anonymous):

I'm not saying you'd need to answer it, I'm simply asking you guys for help

OpenStudy (anonymous):

I've been waiting for an hour for someone and now you guys are here :D

OpenStudy (anonymous):

You here, @jdoe0001 ?

OpenStudy (anonymous):

If you are, take your time

OpenStudy (jdoe0001):

was a bit caught up =)

OpenStudy (anonymous):

:>

OpenStudy (jdoe0001):

are you missing info for car 2.? like the x-coordinates?

OpenStudy (anonymous):

I don't think so

OpenStudy (anonymous):

How would I find the X intercept

OpenStudy (anonymous):

Do you know?

OpenStudy (anonymous):

I just find this questions wording tricky

OpenStudy (jdoe0001):

x-intercept "x gets intercepted" meaning the graph TOUCHES or INTERCEPTS the x-axis it's i the graph

OpenStudy (anonymous):

So for car 1, the X intercept would be 70?

OpenStudy (jdoe0001):

|dw:1408054557649:dw|

OpenStudy (jdoe0001):

yes

OpenStudy (anonymous):

@jdoe0001 Where'd you go :(

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