Answer:
A = 15t +15
Step-by-step explanation:
The amounts have a common difference of $15, so that is apparently the amount Jasmine is saving each week. Week 1, however, is $15 more than $15×1. The function ...
A = 15t +15 . . . . dollars
seems to fit the data.
Step-by-step explanation:
The area <em>A</em> under the curve can be written as
To evaluate the integral, let
so the integral becomes
or
Putting in the limits of integration, our area becomes
Note:
Y-intercept is where the line crosses the y-axis. That happens at (0, -5)
Your answer is 615 - 342 = 273