The rate of change is 4.A linear model
Answer:
B. 7/2, -8/3
Step-by-step explanation:
Move all the terms to the left side and set them equal to zero. Then set each factor equal to zero.
Equation: (70 + 70*.05) + (580 + 580*.07) + (620 + 620*.10) = Total Spent
Solving for this gets you $1320.30.
The is increasing by 2 3/8
So the answer is 12 3/4 miles on Friday
Hope this helps :)