Math 191 - Test 1
Sep 26 2012
Question 1:
(a)[5]
Solve for t:
(b)[5]
Solve for x:
3t 1
2t + 1
=
2t + 3
3t + 4
x+
4x 5 = 0
p. 2 of 7
Math 191 - Test 1
Sep 26 2012
Question 2:
3
and g (x) = x 2 + x. Find a function f (x) so that h(x) = (f g )(x) .
x2 + x +
Math 191 Quiz 4 ~ Name: 50 L UtTLON
(1) [7] Determine the marginal cost when q = 50 units if average cost is given by
State units with your answer.
= anigf-efgy + 3730'
of}; 1: 04218,? g-
M/ aw = owlcmyeft/(D %wr+
Oct 17 2012
p.10f2 Math 191 _ Quiz
Math 191: Supplement on Trigonometric Functions
Fall 2012
Introduction
With reference to the triangle
hyp
opp
adj
recall the basic trigonometric ratios sine, cosine and tangent for angles of less than 90 :
opp
,
hyp
cos =
adj
,
hyp
tan =
sin =
sin
.
cos