Question

PLEASE HELP!

Answer 1

The graph is not given , but with the help of information provided by you in the question:

X  :   0       1       2      3     4      5     →→ Time in Seconds

Y   :   0     25   50   75   100   125    →→Height of Elevator Above Ground in feet

Rate of change can be found by using two point slope form of line.

The slope of line joining two points $(x_{1},y_{1}) and (x_{2},y_{2})$ is given by = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Taking two points (1,25) and (2,50) and finding the slope of line, that is Rate of change:

Rate of change = $\frac{50-25}{2-1}=25$

Option (B) 25 is correct answer.

Answer 2

Hello!

We know that the rate of change is just like speed as in the last Q so....

usually the rate of change is y/x so in this case, The Correct Answer is 100%

Option B "25".

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