1. [-/1 Points] DETAILS WANEFMAC5 13.1.002. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER Evaluate the integral. HINT [See Quick Examples on page 949.] 31x7 dx F C Need Help? Practice It 2. [-/1 Points] DETAILS WANEFMAC5 13.1.007. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER Evaluate the integral. HINT [See Example 2.] ( x 2 - 7 x ) dx Need Help? Practice It 3. [-/1 Points] DETAILS WANEFMAC5 13.1.011. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER Evaluate the integral. HINT [See Example 2.] 63x-5 dx + C Need Help? Practice It4. [-/1 Points] DETAILS WANEFMAC5 13.1.015. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER Evaluate the integral. HINT [See Examples 2 and 4.] (Remember to use absolute values where appropriate.) ( 4 42 - 6 / 41 ) du Need Help? Practice It 5. [-/1 Points] DETAILS WANEFMAC5 13.1.018. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER Evaluate the integral. HINT [See Example 2.] 5 V x dx - C Need Help? Practice It 6. [-/1 Points] DETAILS WANEFMAC5 13.1.022. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER Evaluate the integral. HINT [See Example 3.] 1( 1 + 42) du + C Need Help? Practice It[-11 Points] DETAILS WANEFMACS 111.027. 050 Submissions Used _Y NOTES _K YOUR TEACHER Evaluate the Integral. HINT [See Example 3.] fie-ea Sm Need Help? [-11 Points] DETAILS WANEFMACS 13.1.032. OISO Submissions Used _Y NOTES _I( YOUR TEACHER Evaluate the Integral. HINT [See Example 3.] [(e" + x'5 1!?) ab: [-11 Points] DETAILS WANEFMACS 13. 1.033. 0.60 Submissions Used _Y NOTES ASK YOUR TEACHER Evaluate the Integral. HINT [See Example 3.] [(3045 $4. .1. SH: Need Help? 10. [-/1 Points] DETAILS WANEFMAC5 13.1.038. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER Evaluate the integral. HINT [See Example 3.] 1,200 (0.4* ) dx + C Need Help? Practice It 11. [-/1 Points] DETAILS WANEFMAC5 13.1.048. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER The marginal cost of producing the xth box of Zip disks is 8 + x 2 and the fixed cost is $100,000. Find the cost 150,000 function C(x). HINT [See Example 5.] C(x) = Need Help? Watch It Practice It 12. [-/2 Points] DETAILS WANEFMAC5 13.1.051. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER At the start of 2005, an online social group had 1 million members. Since that time, new members joined at a rate of approximately m(t) = 18t- - 18t + 10 million members per year (0 s t s 3.5) where t is time in years since the start of 2005. (a) Find an expression for the total online social group membership M(t) at time t. HINT [See Example 6.] M (t ) = (b) Use the answer to part (a) to estimate the online social group membership midway through 2006. M(1.5) = million members Need Help? Practice It