A savings account with 500 now has 120
2 answers:
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Answer:
Step-by-step explanation:
We are given the following:
and
a). Recall that a level curve of a function f(x,y) is given by where c is a constant. That is, all the points in the set of interest to which the function applied to the points is exactly the value c.
Consider c = 80. So we get
which implies that (Graph 1).
We can also consider c=60, which gives us
which implies that . (Graph 2)
b)Recall that the gradient of a function f(x,y) is given by
In this case,
Thus, the gradient of T is given by
