Problem #1: Estimate the area under the graph of f(x) = 5 + x on the interval [-1, 5] using, (a) Six rectangles and left endpoints. (b) Three rectangles and left endpoints. Problem # 1(a): Problem # 1(b): Just Save Submit Problem #1 for Grading Problem #1 Attempt #1 Attempt #2 Attempt #3 Your Answer: |1(@) 1(a) 1(a) 1(b 1 (b) 1 (b) Your Mark: |1(a) 1(a) 1(a) 1(b) 1 (b) 1 ( b) Problem #2: Find an expression for the area under the graph of f(x) = 5,2 4 10 on the interval [3, 8]. 3+ 8 3+ 5i (A) lim (B) lim I'M= 100 (C) lim $ 100 1=1 9(3 + Bi )2 + 10(3 + 8i ) 9 ( 3 + ( si )= ) + 10 i=1 9( 8: )2 + 10 3 + 81 3+ Si 3+ 5i (D) lim n (E) lim (F) lim n 100 1=1 9( 3 + 8i )2 + 10 " 9( 3 + Si )2 + 10(3 + Si ) n i=1 i=1 9( 3 + 3i ) + 10 Si 3+ 8i (G) lim (H) lim n = 190 i=1 9( 24 )" +10 1=1 9 ( 3 + ( Bi )2 ) + 10 Problem #2: Select v Just Save Submit Problem #2 for Grading Problem #2 Attempt #1 Attempt #2 Attempt #3 Your