Question : 5^x + 1 = 15 (Round to the nearest thousandth.) : 2162324
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Solve the equation.
1) e-0.151 = 23
A) -20.765
B) 3.135
C) -0.473
D) -0.048
2) 4x = 16
A) 2
B) 1
C) 4
D) 3
3) 65x = 36
A) 25
B) 5/2
C) 2/5
D) 6ln6/5
4) 11x = 18 (Round to the nearest hundredth.)
A) 1.20
B) 1.49
C) 0.21
D) 0.83
5) 6x = 23 (Round to the nearest hundredth.)
A) 3.83
B) 0.57
C) 2.34
D) 1.75
6) 23x - 1 = 30 (Round to the nearest hundredth.)
A) 1.83
B) 2.30
C) 1.92
D) 2.08
7) 102 - x = 18 (Round to the nearest hundredth.)
A) 0.20
B) -0.20
C) 0.74
D) 2.80
8) 5x + 1 = 15 (Round to the nearest thousandth.)
A) 3.358
B) 2.683
C) 0.683
D) 1.683
9) 9x - 1 = 73 (Round to the nearest thousandth.)
A) 8.427
B) 1.953
C) 2.953
D) 3.953
10) (53x)(4x + 1) = 8 (Round to the nearest thousandth.)
A) 0.116
B) 0.694
C) 0.112
D) 0.231
11) 53x = 8x + 1 (Round to the nearest thousandth.)
A) -4.424
B) 1.292
C) 0.756
D) 2.292
12) e-t = 0.9 (Round to the nearest ten-thousandth.)
A) 2.4594
B) -2.4594
C) 0.1054
D) -0.1054
13) log3x = 5
A) 125
B) 243
C) 15
D) 1000
14) log9x = 1/2
A) 512
B) 3
C) 0.00195312
D) 81
15) log3x = -2
A) 9
B) 8
C) 1/9
D) 1/8
16) log(x + 3) = 1 - logx
A) -2, 5
B) 2
C) -5, 2
D) -2
17) ln(5x - 1) = ln3 - ln(x - 3)
A) 3, 3/5
B) ∅
C) 16/5
D) 0, 16/5
18) log4(x - 3) + log4(x - 3) = 1
A) 5
B) √10
C) - √10, √10
D) -5, 5
19) log(5 + x) - log(x - 3) = log3
A) 7
B) - 7
C) 1/2
D) ∅