Martina earns $480 per week plus 15% commission on all of her sales. which shows the amount she earns each week as a function of
her total sales, X?
1 answer:
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a. Parameterize by
with .
b/c. The line integral of over
is
d. Notice that we can write the line integral as
By Green's theorem, the line integral is equivalent to
where is the triangle bounded by
, and this integral is simply twice the area of
.
is a right triangle with legs 2 and 5, so its area is 5 and the integral's value is 10.
Hope this helps you..!
