Verify the first special case of the chain rule for the composition f∘c in each of the cases:

(a) f(x, y)=xy, c(t)=(et, cost)

(b) f(x, y)=exy, c(t)=(3t2,t3)

(c) f(x, y)=(x2+y2)log√x2+y2,c(t)=(et, e−t)

(d) f(x, y)=xexp(x2+y2),c(t)=(t,−t)

Which of the greatest common gcf of 32 and 48 a 16 b 96 c 8 d 32

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units