Hope it helps
http://www.calculator.net/surface-area-calculator.html
Complete Question
The complete question is shown on the first uploaded image
Answer:
The solution is
Step-by-step explanation:
From the question we are told that
and
Generally the absolute value of the determinant of the Jacobian for this change of coordinates is mathematically evaluated as
So
=>
substituting for a, b, c,d
=>
=>
=>
About 45 miles and if you have options choose the closest to45 miles
The answer is 1 because that's the point on the graph where x meets 0, or (0, 1)