x/y-intercepts

Question 1 a. List all the coordinates of the y-intercept of function f(x). b. List all their coordinates x-intercepts of function f(x). Scroll down to see more questions.

Question 2 Now enter in the box -x^3+x^2+4x-4. Then hit Enter. List the coordinates of all intercepts now.

Question 3 Type in the box 0.5 x^3+1.5x^2-2. Then hit Enter. List all the coordinates of all intercepts now.