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AA2 Spring Exam Review Flashcards | StudBud
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AA2 Spring Exam Review
AA2 Spring Exam Review
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Answers
1
What is \left[f\circ g\right]\left(5\right)?
1
3
5
7
2
To find the probability that A
and
B happen, we
Multiply their probabilities
Divide their probabilities
Add their probabilities
Subtract their probabilities
3
Solve the equation: 2\log x=\log36
\pm6
18
34
6
4
Where is this function undefined?
X= -4
X= 0
X= 4
Definable for all whole numbers
5
Does the equation represent exponential growth or decay?
Growth
Decay
6
What are extraneous solutions?
Solutions to an equation
Solutions that do too much...
Results that are not solutions to the original problem
Imaginary solutions
7
Permutation or Combination?
Permutation
Combination
8
Evaluate log
9
3
-2
2
\frac{1}{2}
-\frac{1}{2}
9
Rewrite in terms of only common logarithms: \log_381
\log\left(\frac{81}{3}\right)
\frac{\log81}{\log3}
\frac{\log3}{\log81}
\log\left(\frac{3}{81}\right)
10
What is the domain for a square root function y=\sqrt{x}?
\left(-∞,0\right)
\left(∞,-∞\right)
[0,∞)
\left(-∞,∞\right)
11
How do you get inverse functions?
take the reciprocal
solve for x
x & y switch places
solve for y
12
Evaluate log
1/4
64
-3
-8
16
3
13
In right triangle trigonometry, tanθ = ?
adj/opp
hyp/adj
opp/hyp
opp/adj
14
Describe the transformation: y = log (x - 3) + 4
left 3, up 4
right 3, up 4
right 3, down 4
left 3, down 4
15
Rewrite in logarithmic form: 6
x
= 15
log15x = 6
log615 = x
log6x = 15
logx15 = 6
16
What is the
equation of the asymptote
shown in the graph?
x=2
x=1
y=1
y=2
17
What is the probability?
1/6
1/2
2/3
3/6
18
To add rational expressions, you must...
add the numerators together
Find a common denominator
keep, change, flip
cross out common terms
19
In this triangle, sin
θ
=
\frac{3}{4}
\frac{3}{5}
\frac{4}{5}
\frac{5}{3}
20
What is the tan45° ?
45
1
\sqrt{2}
\frac{\sqrt{2}}{2}
