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Algebra II - Chp. 4 Review
Test Description: Logs/exponents/Inverses
Instructions: Answer all questions to get your test result.
1) What type of function has a vertical asymptote?
A
Exponential
B
Quadratics
C
Linear
D
Logarthmic
2) What type of function has a horizontal asymptote?
A
Linear
B
Logarthmic
C
Exponential
D
Quadratic
3) What is the inverse of f(x) = 10^x
A
10x
B
lnx
C
x + 10
D
logx
4) What is the base of y = lnx
A
e
B
0
C
10
D
1
5) Which of these graphs will be the steepest?
A
f(x) = 5^x
B
f(x) = 1.5^x
C
f(x) = 8^x
D
f(x) = 2^x
6) Can you take the log of a negative number?
A
Yes
B
No
7) Is the base of an exponential function allowed to be one?
A
Yes
B
No
8) Which parent function has a key point at (0, 1)?
A
Logarthmic
B
Exponential
C
Linear
D
Quadratic
9) Which type of function can model growth and decay?
A
Logarthmic
B
Linear
C
Exponential
D
Quadratic
10) What is the inverse of y = x + 7.5?
A
none of these
B
x/7.5
C
7.5x
D
x - 7.5
11) Simplify ln e^4
A
4
B
1/4
C
4e
D
1
12) Evaluate e^2.1 to four decimal places.
A
4.2312
B
7.1345
C
8.1662
D
2.7185
*select an answer for all questions
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