use the Riemann sum(rectangle)definition to evaluate
For problems #9 through #12, evaluate each definite integral by the Fundamental Theore m of Calculus (FTC). Some of these integrals will require the method of substitution. t write a numerical answer. Give the exact numerical answer (no rounding). Do NOT jus 9. dt 1/2 10. 12x-1l dx resin(In x) 1 dx For problems #13 through #16. These are review problems from Chapters 2, 3, and 4. You are free to use any technique we discussed in class, provided that you show your w 13. Show that the equation Inx = 3-2x has at least one real solution. 14. Iff(x)e, what information do we have about the original function f(x)? 15. Find a cubic function f(x) = ax 3 + br' + cx + d whose graph has a horizontal ta line at the points (-2,6) and (2,0). This means determine specific values for a, b