ExamView - FINAL EXAM REVIEW 2011.tst

FINAL EXAM REVIEW 2011
Multiply.
____ 63.
2
Ê ˆ
−5 − 3
Ë
Á
¯
˜
a. 28 + 10 3 c. −13 + 5 3
b. 28 − 10 3 d. 25 − 10 3
____ 64.
Ê ˆ
8 − 2
Ë
Á
¯
Ê
Ë
Á 9 + 5 ˆ
¯
˜
a. 72 − 10 c. 72 − 2 10
b. 72 + 8 5 − 9 2 − 10 d. 72 − 3 − 10
____ 65. ( −2x + 6)
5 = ( −8 + 10x)
7
a.
b.
6
1
1
5
2
3
c. − 1 4
d.
6
7
____ 66. Let f(x) = 3x + 2 and g(x) = x − 3. Find f(x) – g(x).
a. 2x – 5 b. 2x + 5 c. 4x – 1 d. 2x – 1
____ 67. Let f(x) = −2x − 7 and g(x) = −4x + 3. Find (f û g)(−5).
a. 23 b. –53 c. –9 d. 3
____ 68. How much money invested at 5% compounded continuously for 3 years will yield $820?
a. $952.70 b. $818.84 c. $780.01 d. $705.78
Write the equation in logarithmic form.
____ 69. 6 4 = 1, 296
a. log 6
1, 296=4 c. log 1, 296 = 4 ⋅ 6
b. log 1, 296=4 d. log 4
1, 296=6
____ 70. Write the equation log 32
8= 3 in exponential form.
5
3
3
a.
5
32 = 8 b.
5
8 = 32 c.
Ê 3 ˆ
Ë
Á 5 ¯
˜
32
5
= 8 d.
3
8 = 32
State the property or properties of logarithms used to rewrite the expression.
____ 71. log 5
6 − log 5
2 = log 5
3
a. Quotient Property c. Difference Property
b. Product Property d. Power Property
____ 72. log 4
7 + log 4
2 = log 4
14
a. Quotient Property c. Addition Property
b. Power Property d. Product Property
14