University of Houston.
Question number 1.
Your answer was B. Correct.
Set up the integral needed to find the area of the region bounded bewteen the graph of
f(x) = x2 + 3 x and g(x) = 10.
5
A ∫ (10 − 3 x − x2) dx
−2
2
B ∫ (10 − 3 x − x2) dx
−5
2
C ∫ (x2 + 3 x − 10) dx
−5
5
D ∫ (x2 + 3 x + 10) dx
0
5
E ∫ (x2 + 3 x + 10) dx
−2
Question number 2.
Your answer was A. Wrong.
MATH 2414 Final Exam
, Suppose that f(x) is continuous on [−2, 6] and f(x) < 0 on [−2, 6]. If the area between f(x)
and the x-axis on [−2, 6] is 10, then find the average value of f on this interval.
5
A
4
B 0
5
C —
2
5
D
2
5
E —
4
F −10
G None of the above.
Question number 3.
MATH 2414 Final Exam
, Your answer was A. Correct.
1
Find the area bounded by the curves y = 3 √x + 8 and y = x2 + 8 .
9
A 27
27
B
2
C −27
27
D —
2
E 54
Question number 4.
Your answer was B. Correct.
Sketch the region bounded by the curves x = y 3 , x = 1, and y = 0 then find the volume of the
solid generated by revolving this region about the y-axis.
34π
A
7
MATH 2414 Final Exam
, 6π
B
7
13π
C
7
20π
D
7
27π
E
7
Question number 5.
Your answer was D. Correct.
The base of a solid is the circle x2 + y 2 = 16. Find the volume of the solid given that the cross
sections perpendicular to the x-axis are isoceles right triangles with leg on the xy-plane.
518
A
3
524
B
3
515
C
3
MATH 2414 Final Exam