### Differientiate the function and tangent line

Please answer the attached problems and circle the answers. thanks 1. Differientiate g(x) = (7x - 5)/(5x + 1) + x^3 2. Find dy/dx, y = x^0.75 3. Differientiate the function y = sqrt(x^2 + 6) 4. Find an equation for the line that is tangent to the curve y = 4x^3 - 4x at the point (1, 0) 5. For the function, find t