Answer the following questions about 30]: Yx+160. (A) Calculate the change in th] from X = 15 to x = 20. (B) Graph FTXJ and use geometric formulas to calculate the area between the graph of F'(x) and the x-axis from x = 15 to x: 20. [0}Verify that your answers from (A) and (B) are equal: as guaranteed by the fundamental theorem of calculus. (A) Calculate the change in thj from x = 15 to x = 20. The change is D. [Simplify your answer.)