MAT 153 Test 2. March 2012. Jennings.
Closed book, closed notes, but calculators are OK. Use your own paper and show your work!
Some useful formulas
r nt
P (t) = Cert A(t) = C 1 +
n
1. Find the vertex of the parabola y = 4x2 24x + 10. Give both the x and
MAT 153-01 Test #1. Fall 2011. Jennings
Use your own paper. Show your work.
1. Let
f (x) = x2
1
x
and g (x) = x3 + 5.
Find (f g )(x).
Solution:
(f g )(x) = f (g (x) = f (x3 + 5) = x3 + 5
2
x3
1
+5
2. Let
x+3
.
2x + 1
(a) Find the domain of F . (You may d
MAT 153-01 Test #1. Fall 2010. Jennings
Use your own paper. Show your work.
1. Let
f (x) = x +
1
x2
and g (x) = x3 2.
Find (f g )(x).
Solution:
(f g )(x) = f (g (x) = f (x3 2) = x3 2 +
1
x3
2
2
2. Let
x+4
.
3x + 2
(a) Find the domain of F . (You may descr
MAT 153 Final Exam. December 2011. Jennings
No books or notes. Calculators are OK. Please use your own paper. If you have a question, please ask!
cos( + ) = cos() cos( ) sin() sin( )
sin( + ) = sin() cos( ) + cos() sin( )
1. (10 points) Find an equation f
MAT 153 Final Exam Fall 2010. Jennings.
This is a closed book, closed note test. Calculators are OK. Use your own paper and please SHOW YOUR
WORK.
Here are some useful formulas.
Growth and decay: P (t) = Aert
Radians and degrees: radians = 180
Trigonometr
MAT 153 Test #1. Feb. 2012. Jennings.
1. Solve the inequality |x 3| > 4.
Solution: |x 3| > 4 means the distance from x to 3 is greater than 4, in other words, x is
more than 4 units away from 3. So x > 3 + 4 = 7 or x < 3 4 = 1. Thus
x < 1 or 7 < x.
If you
MAT 153 Second Test. Oct. 2010. G. Jennings
Please put away all electronic communication devices, notes, books, etc.
Please use your own paper and SHOW YOUR WORK!
1. Solve the equation
3x2 + 5x = 1
Use any method that works, and be sure to show your work.
MAT 153 test 3. April 2012. Jennings.
This is a closed note, closed book test. Calculators are OK. Use your own paper and show your work. If you
have a question, ask.
1. (a) Convert 47 to radians.
Solution: 180 = radians so 1 = /180radians so
47 =
47
0.8
MAT 153 Second Test. Oct. 2011. G. Jennings
Please put away all electronic communication devices, notes, books, etc.
Please use your own paper and SHOW YOUR WORK!
1. (10 points) Solve the equation
3x2 + 4x = 2
Use any method that works, and be sure to sho
MAT 153 Final Exam Fall 2009
This is a closed book, closed note test. Calculators are OK. Use your own paper and please SHOW YOUR
WORK.
Addition formulas:
cos( + ) = cos() cos( ) sin() sin( )
sin( + ) = sin() cos( ) + cos() sin( )
1. Let f (x) = x/(x2 + 1