A receipe that makes soup to serve 6 people calls for 2 1/3 cups of diced celery. You are making soup for 30 people. How much diced celety should you use. Write youre answer as a simplified fraction or mixed number

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6