4. Suppose you have 240 feet of fencing available to enclose a rectangular portion of yo a. What are the dimensions of the rectangle that enclose the maximum area? b. What are the dimensions of the rectangle that encloses 2000 square fee mplify each expression -121 = lli b. V- 27 = 3iN39. Write the interval that satisfies the inequality x(x - 10) 0: V- 8. Let f(x) = -3(x - 2)(x + 5) and write which x satisfy the equality or inequality below: a. f (x ) = 0 b. f ( x ) So