Justify your answer whether the following functions are continuous or not at a certain point or interval. Write your answers on a separate sheet of paper. 11. f(x) =+1-2 x+2 at x=-2 12. f (x) = at x = 1 13. f(x) = x2 + 7x +6 on [-2, 3] 14. f (x) =-2x-8 x-4 on [0, 5] 15. f(x) = V1 - x2 on [-1, 1] Additional Activities Read, understand, and solve the given item. Write your solutions on a separate sheet of paper. (x, x50 . The function f(x) = *. *20 is an example of a piecewise defined function. Prove that this function is continuous or not on its entirety