Evaluate
at
:

Compute the line element
:

Simplifying the integrand, we have

Then the line integral evaluates to

Answer:
32°
Step-by-step explanation:
90 - 58 = 32
A=4
Just divide 5 on both sides :-)
In order to get g(x) you would multiply the equation of f(x) by -1/2.
4x(-1/2)=-2x and -2(-1/2)=1.