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Sarah walked 1 mile yesterday. Today she will walk at a rate of 3 miles per hour. Which graph shows her two-day total walking distance, d, based on the number of hours, h, that she spends walking today?

Sarah walked 1 mile yesterday Today she will walk at a rate of 3 miles per hour Which graph shows her twoday total walking distance d based on the number of hou class=
Sarah walked 1 mile yesterday Today she will walk at a rate of 3 miles per hour Which graph shows her twoday total walking distance d based on the number of hou class=
Sarah walked 1 mile yesterday Today she will walk at a rate of 3 miles per hour Which graph shows her twoday total walking distance d based on the number of hou class=
Sarah walked 1 mile yesterday Today she will walk at a rate of 3 miles per hour Which graph shows her twoday total walking distance d based on the number of hou class=

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Answer:

Graph C

Step-by-step explanation:

If a graph represents the linear equation,

d = mh + b

Here 'm' = slope of the line

b = y-intercept

d = Distance traveled

h = duration or time

For the given question,

Slope of a line represents the rate of change in distance or speed and y-intercept represents the initial distance traveled or the distance traveled on 1st day.

So the equation will be,

d = 3h + 1

Input-output values for the graph,

h      0       1        2       3        4    

d      1       4        7       10      13

We find all these points lying on a straight line give in Graph C.

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