QUESTION 17 Calculate the left hand sum and the right hand sum for the function RX) = 2X2 + 6X for x=2 to x=10 using . Ax=2 ' The left hand sum is 360 , and the rig"It hand sum is 600 ' The left hand sum is 350 , and the right hand sum is 960 The left hand sum is 720 , and the right hand sum is 1200 The left hand sum is 720 , and the right hand sum is 900 QUESTION 18 The weight, w, in kilograms, of a baby is a function f(t) of her age, t, in months. If f (2 .5) = 5 .76 and f ' (2 . 5) = 0. 773 1, then which of the following is the best estimate for 3"(6)? 10.3955 kg 7.51275 kg 8.46585 kg 6.5331 kg