MAC 1105 CIT College of InfoMedical Technology Fullerton College Algebra Problems

I have multiple choice homework questions that make me confused, so please answer the 11 Questions (26,27,28,29,30,31,32,33,35,36,41) with showing your work!

and skip Question #34

26. logjøk = 1
(b) {f}
(a) {64}
(e) (256)
(d)
None of these
27
59 = 23
(a) (1.95}
(b) {2.05}
(c) {.66}
(d) {1.76)
28
log, (x + 2) + log, (x – 2) = log, 21
(a) {}
(b) {5,-5)
(c) {5}
(d)
{4}
29.
log2 (13x + 2) – log2 (x + 2) = 2
(a)
{5}
(b) {4}
(c
)
{7}
(d)
None of
these
Solve each problem.
30
A radioactive substance is decaying so that the number
of grams present at t days is given by the function
A(t) = 4000e –03t.
In how many days, to the nearest whole day, will the
substance decay to half its original amount?
(a)
(c)
10 days
4 days
(b)
(d)
21 days
23 days
31.
Suppose that $15,000 is deposited at 8.5% annual inter-
est and no withdrawals are made. Find the amount in
the account after 5 years if interest is compounded
continuously.
(a) $21, 375
(c) $23,813.92
(b) $22, 841.92
(d) $22, 943.86
Graph the quadratic function f(x) = -2×2 + 2.
7
(a)
(b)
(c)
(d)
(0, 2)
(0.21
(2.0)
(0, 1),
-2
33
The height in feet of an object thrown upward is given by
h = 80t – 16t2 after t seconds. After how many seconds
does the object reach its maximum height?
(a)
3 seconds
(b)
5 seconds
(c) 2
seconds
(d) až
seconds
Use the tests for symmetry to determine all symmetries of the following
relations.
34.
y = 6 – x2
(a)
x-axis only
Origin only
(b) y-axis only
(d)
x-axis, y-axis, and origin
(c)
35.
Which graph is increasing on (–, -1), decreasing on
(3,-), and constant on (-1, 3)?
(a)
(b)
(c)
(d)
( (-1, 3)
ULD
TITITETT
A
36
Graph the circle whose equation is
(x + 2)2 + (y – 1)2 = 16.
V
(a)
!
(b)
(c)
(d)
4
(-1,214
(2, -1) X
1, 2:
LALLILL
1-2, 1)
4).
f(x)=
1- 2x
1 –
(a)
(b)
(c)
(d)
V3-2

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