Viewing Saved Work Revert to Last Response MY NO 9. [-/5 Points] DETAILS Given the demand equation x = 165e-P/30, where p represents the price in dollars and x the number of units, determine the value of p where the elasticity of demand is unitary. O $165 O $25 O $50 O $12.5 O $ 62.5 DEC "tv A 13 F10 4) F11 -- F6 44 F7 F8 F9 F5 esc o- 20 F3 F4 F1 F2 @ # 18 6 3 4 5 2 T Y U O P E R Q W K S D F G H AMY NOTES 11. [-/5 Points] DETAILS 10 Which one of the following values is obtained by using a Riemann Sum to approximate 3x + 1 dx using 3 subintervals of equal length where the representative points are chosen to be the midpoint of each subinterval. O 36 O 132 O 48 O 150 O 114 MY NOTES 12. [-/5 Points] DETAILS Compute the average value of f(x) = \\ 6x + 1 on the interval [0,5/2]. 121/45 O 41/15 124/45 O 14/5 O 26/9 "tv 4 O DEC 13 44 F8 F9 F6 20 F3 Go0 F4 F5 es F1 F2 A & 8 9 a # 5 6 4 2 313. [-/5 Points] DETAILS In(4)/4 Compute e 4x - dx. (e4x + 4) 4 O 1 1 12 53 O1 1 (55 O 4In (8/5) O 4In(8/5) 4 83 ) 14. [-/5 Points] DETAILS Find the area of the region under the graph of f(x) = e-*/4 from x = 24 to x = 36. O e-9(e3 - 1) O 4e-9(e3 - 1) O e24 (e12 - 1) 0 1 24 (e12 - 1) O 4024 (e12 - 1) DEC tv 13 4