Q1. i=1100ai=15andi=1100bi=12.Suppose that and Then what is i=11005ai+4bi

A) 27

B) 123

C) 0

D) -27

E) None of the above

Q2. What is the absolute difference between L₄ and R₄ if f(x) = (2|x|) on [-2,2]?

A) -4

B) 2

C) 4

D) 0

E) None of the above

Q3. In sigma notation, what is L₁₀ if f(x) =4x2on[2,2] ?

A)i=1i=1042+52i)2(52)

B)i=1i=94252i)2 (101)

C)i=0i=942+52i)2 (52)

D)i=0i=942+52i)2 (51)

E) No unique solution.

Q4. What is the definite integral that is associated with the following Riemann Sum?

L_n =n1i=0n1ni

A)01xdx

B)12xdx

C)23xdx

D)34xdx

E) None of the above.

Q5. What is the area between the graph and the x-axis?

A) 0

B) 3

C) 14

D) 7

E) None of the above.

Q6. Given a piecewise linear function passing through the set of points

{(0,2),(1,0),(3,5),(5,5),(6,2),(8,0)}

use the average of the left and right endpoint area approximations to compute the integral over the indicated intervals.

A) 21

B) 21.5

C) 22

D) 22.5

E) None of the above