MATH
222 Final Exam Part I Name____________
Instructions:
Answer all the questions in the spaces provided. You may not use the calculator
on this part. Each question is worth six
points.
1. Find for each of the
following:
a) a)____________
b) b)____________
2. Evaluate the following integral:
c)____________
3. Evaluate the following limit:
d)____________
4. Find the sum of the following infinite series
(if it exists):
e)____________
MATH
222 Final Exam Part II Name____________
Instructions: Answer any five of the six questions on this
part. You may use the calculator for all
questions on this part. Clearly indicate
which question you are not having graded.
Each question is worth 24 points.
1. Find the Radius and Interval of Convergence
of each of the following power series.
a)
b)
c)
2. a) Find the equation
of the line tangent to the graph of at x = 1.
b) Find all points on the graph of y = xln(x)
at which the tangent lines are horizontal.
c) Find the equation of the line tangent to
the parametric curve given by at the point (-2,5)
d) Find all points on the parametric curve
given in part c) at which the tangents are horizontal and all the points at
which the tangents are vertical.
3. A sample of a radioactive element arrives at
a laboratory. One day later the test
equipment arrives and the lab assistant is able to measure that there is 10.8
kilograms of the element. Six days later
the sample is retested and the element has decayed to 8.1 kilograms.
a)
What was the mass of the radioactive element when it arrived?
b)
Find an expression for the mass of the radioactive element at time t with t
measured in days.
c)
What is the half life of the element?
d)
When has the sample decayed to one kilogram?
4. a) Find the equation in standard form of the
parabola with focus at (3,5) and vertex at (5,5).
b)
Find the equation in standard form of the ellipse with foci at (3,3) and (3,7) and minor axis 4.
c)
Identify the conic section given by the following equation and give its
equation in standard form. x2 + 4y + 4x – 8 = 0.
5. Determine whether the following infinite
series converge. Justify your answers by indicating the tests you use and
showing all necessary limits.
a)
b)
c)
6. a) Using the appropriate substitution, transform
the following integral into an integral of the product of trigonometric
functions. Do not evaluate the integral.
b)
Evaluate the following integral by integration by parts.
c)
Evaluate