fan and medal!
The table below represents the displacement of a turtle from its nest as a function of time:
Time
(hours)
x Displacement
from nest
(miles)
y
0 5
1 27
2 49
3 71
4 93
Part C: What would be the domain of the function if the turtle continued to walk at this rate until it traveled 225 miles from the nest? (2 points)

- anonymous

- katieb

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- anonymous

- nonopro

hi

- nonopro

oh

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## More answers

- anonymous

@nonopro hey:( im still having trouble on this thing still

- anonymous

do you know how to find the slope of a line?

- anonymous

yea. the slope is: y1-y2/x1-x2

- anonymous

right, so if you use 2 of your points, what slope will you get?

- anonymous

ok... so my points are, 93 and 5 for the y. and for x, 4 and 0. will that work?

- anonymous

yes

- anonymous

93-5/4-0=88/4=22.

- anonymous

right, and 5 is the y-intercept so the equation for the line is\[y=22x+5\]

- anonymous

So now we plug in 225 for y and solve for x.
\[225=22x+5\]

- anonymous

so... what would I put for the x?

- anonymous

don't put anything for x. We have to solve the equation to find it.

- anonymous

i agree with peachipi

- anonymous

x is last

- anonymous

ok.

- anonymous

and whatever you do to one side you have to do to the other side

- anonymous

so what should I do now?

- anonymous

Subtract 5 from both sides
|dw:1441296519676:dw|

- anonymous

@peachpi sorry I had to go some where. 225-5=220 and then 5-5 equals 0.

- anonymous

@peachpi so what would be the next step? oh and is my first one correct?^^

- anonymous

divide both sides by 22

- anonymous

22/22 equals 10.

- anonymous

220*/22=10

- anonymous

yes so x = 10 so the domain is \[0\le x \le10\]

- anonymous

thank you!.

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