The graph shows the total distance a tour group traveled as a function of time measure in days. what is the rate of change? a) 35 miles per dayb) 25 miles per dayc) 50 miles per dayd) 35 miles per hour

Option A is correct

35 miles per day

Step-by-step explanation:

Using slope formula:

       ....[1]

From the given graph:

Here, y represents the distance in miles and x represents the time in days

Consider two points i.e

(2, 70) and (4, 140)

then;

Substitute these in [1] we have;

Therefore, the rate of change or slope of the given line is, 35 miles per day

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step-by-step explanation:

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arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation: