38 (A) Is there a value of a Explain. (B) For each function in 7, represent 9(x) with a mapping diagram, a table of values, and in set notation for five points in the function. (C) The measure of the area of a square is 132 square centimetres. Express the length of the side of a square, in simplified radical form. (D) If two sides of a right-angled triangle are 4 and 6, respectively, determine the hypotenuse in simplified radical form. Hint: a + b = c (E) Find a simplified expression for the area of the shape below. Hint: A = bh and g(x) = (3x a) are equivalent? 47 such that f(x) = 9x + 4 and g(x):