Please help with only 1, 3, and 5.

1-6 Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u). ] Then find the derivative dy/dx. 1. y = (5 - x) 2. V Vx + 2 3. y = sin(cos x) 4. y = tan(x-) 5.VE 6. Velt l