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MCF 3M1 Exam Part 2 Review Flashcards | StudBud
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MCF 3M1 Exam Part 2 Review
MCF 3M1 Exam Part 2 Review
20 terms
·
StudBud Administration
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46 plays
Review of exponent laws, exponential functions, sinusoidal functions, trigonometry, and money math.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Describe the transformation of y = sin(x+8)
Right 8
Vertical stretch of 8
Up 8
Left 8
2
Bacteria triple every day. If there are 10 bacteria, how many will there be in a week?
163 840
21 870
12 298
70
3
What is the period?
5
6
1
-3
4
Which of the following is NOT true of the function: y = 2sin(x-15)+7
The domain is xER
Its amplitude is 7
It has been shifted right 15o
Its period is 360o
5
What is the equation of the axis?
1
y = -2
-2
y= -5
6
How much money will you have if you invest $500 at 6%/a compounded quarterly for 10 years?
$800
$895.42
$580.27
$907.01
7
What is the equation of the asymptote for y = 2(0.5)
x
?
y = 2
y = 0
y = 0.5
y = 1
8
The value of a car depreciates according to: V(t)=26 000(0.80)
t
. What is the rate of decay?
80%
0.80
20%
26 000
9
What is the y-intercept of y = 3
x
+ 4?
3
5
1
4
10
What is the equation of the horizontal asymptote for y = 5
x
- 3?
y = 2
y = 5
y = 0
y = -3
11
Simplify. (x
5
y
11
z
10
)(x
-2
x
14
z
8
)
x7x14y11z8
x3y11z2
x17y11z18
x-10y11z80
12
How much money should you invest today to have $4000 in 3 years at 10.5% compounded monthly?
$5396.93
$2923.16
$2964.65
$109.91
13
What is the range of the function y = 6sin(x+30)-2
yERΙy≧-2
yER
yERI-2≦y≦6
yERI-8≦y≦4
14
What is the amplitude?
4
1
2
3
15
Rewrite in radical form: 125
2/3
(1251/3)2
25
(√125)3
(∛125)2
16
What rate of simple interest do you need to make $800 grow to $1000 in 2 years?
40%
15%
62.5%
12.5%
17
Simplify. (3x
8
)
4
81x32
3x12
3x32
81x12
18
Describe the transformation of y = 5sinx
vertical stretch of 5
down 5
up 5
left 5
19
You invest $6000 for 9 months at 11% simple interest. How much do you have altogether?
$5940
$6495
$495
$594 000
20
The function y = 11(0.2)
x
is decreasing. True or False?
False
True
