-X a. (3 pts) Approximate y(x) = e 3 as a linear function of the form y= ax + b in a neighborhood of x = 3. -X b. (3 pts) Approximate y(x) = e 3 as a quadratic function y= ax + bx + c in a neighborhood of x = 3. 1 d. (3 pts) Find a linear approximation to y(x) = x3 + 3x around an arbitrary point X. . What happens when x. = 0? Briefly discuss this result