Determine the indefinite integral. Check your work by differentiation. dt [(-7 cos t) sin t +C 7 +C sin t -7sin t+C O -7 cos t+ C

Select one: O a. O b. O C O d. O e. dy dx Find the derivative for the function f(x) = cosx - 2ex dy dx dy dx dy dx = sinx – 2e* = -sinx - 2e* dy dx −sinx – 2xe*-1 = sinx . 2ex-1 = –sinx – 2xex

Answer all questions and explain all your steps!

az dz and ду Calculate using implicit differentiation. Leave your answers in terms of r, y, and z. x* + z sin(xyz) = 0