need help

1. (10 pts, 2 pts each ) The graph of f(x) is given on the picture. Determine the limits: a. lim f(x) b. lim f(x) C. lim f(x) d. lim f(x) lim f(x) V2x-1-1 2. (10 pts) Determine the limit using the method of your choice: lim x-+1 x-1 3. (10 pts) Compute the derivative of the function: f(x) = (2x2 +3)e6x cos(2x) 4. (10 pts) Compute the derivative of the function: g(x) = 1+sin(3x) 5. (10 pts) Determine an equation of the line tangent to the graph of f(x) = 4x3 + 1 at x = -1