9. If x)=3*+1, find f'(0). b. 3e C. 1 a. e 10. Find the equation of the tangent to y = esix at the point (0, 1). a. y = x + x b. y=-x-1 C. 11. If f(x) = find f'(0) a. 1 C. 12. If f(x) = x2*, find f"(0)