8x -12 = 4x
4x = 12
x =3
Answer:
156
Step-by-step explanation:
Let be the surface of the rectangular prism bounded by the planes , , , , , and . By the divergence theorem, the integral of over is given by the integral of over the interior of (call it ):
24
This is the same question as before just flipped around
f(2)=21
f(2)=2^3+2*2-4+13=8+4-4+13=8+13=21
its an isosceles triangle