7. [-/1 Points] DETAILS LARCALC11 4.R.012. Find the particular solution of the differential equation that satisfies the initial conditions. f"(x) = 3 cos(x), f'(0) = 7, f(0) = -8 f ( x ) = 8. [-/1 Points] DETAILS LARCALC11 4.R.015. Find the sum by adding each term together. Use the summation capabilities of a graphing utility to verify your result. ( 71 - 5 ) 9. [-/1 Points] DETAILS LARCALC11 4.R.016. Find the sum by adding each term together. Use the summation capabilities of a graphing utility to verify your result. ( 12 + 9) K= O MacBook Pro10. [-/1 Points] DETAILS LARCALC11 4.R.021. MY NOTES Use the properties of summation and Theorem 4.2 to evaluate the sum. Use the summation capabilities of a graphing utility to verify your result. 61 i= 1 11. [-/1 Points] DETAILS LARCALC11 4.R.023. MY NOTES Use the properties of summation and Theorem 4.2 to evaluate the sum. Use the summation capabilities of a graphing utility to verify your result. (i+ 1) 2 MY NOTES 12. [-/2 Points] DETAILS LARCALC11 4.R.025. Use upper and lower sums to approximate the area of the region using the given number of subintervals (of equal width.) (Round your answers to four decimal places.) 10 x2 + 1 MacBook Pro