4 hours = 50$
6 hours = 75$
10 hours = 125$
50 + 75 + 125 = 250?
I'm not sure if I understood your question, because you didn't say like "What is all of these times together?"
Answer:

Step-by-step explanation:
x 0 1 2 3 4 5 6 7
y 2 6 12 17 36 72 138 275
The points appear to follow an exponential growth curve.
The regression equation is

The figure below shows the graph of your points and the regression line.
Answer: To find the average rate of change, we divide the change in y (output) by the change in x (input). And visually, all we are doing is calculating the slope of the secant line passing between two points.
Step-by-step explanation:
1 Answer. Krishna V. The average rate of change of f(x)=x3−x over the interval (1,5) is 30.
Answer:
not enough information
Step-by-step explanation:
Would you use SSS or SAS to prove the triangles congruent? If there is not enough information to prove the triangles by SSS or SAS, write "not enough information". Explain your answer