Section 11.3: 12, 43, 58, 70
Section 11.4: 39, 42, 44
Section 11.5: 20, 48, 50
List all of the ways that f(x,y)=x2+y2f(x,y)=x2+y2, g(t)=⟨t−1,et⟩g(t)=⟨t−1,et⟩ and k(a,b)=⟨b,a⟩k(a,b)=⟨b,a⟩ can be composed.
Find the derivatives of the functions 
\(f(x)=⟨2^{\sin\left(x\right)},\sin(2^x),\sec^2\left(x\right)⟩\)