1. Determine whether each of the following statements is true or false. EITHER WAY, briefly justify your answer. This might be a short explanation or, if false, an example that shows it is false. (10 points each) a) The double integral SS f(x, y) dA is always positive. R b ) The line integral J. F . dr is a scalar. 150 C) If C is a circle with radius 6 traversed (traveled) exactly once, then ds = 127. d) Let f be a continuous function. Then