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) 4^x = 16

A) 2

B) 1

C) 4

D) 3

3) 6^5x = 36

A) 25

B) 5/2

C) 2/5

D) 6ln6/5

4) 11^x = 18 (Round to the nearest hundredth.)

A) 1.20

B) 1.49

C) 0.21

D) 0.83

5) 6^x = 23 (Round to the nearest hundredth.)

A) 3.83

B) 0.57

C) 2.34

D) 1.75

6) 23^x - 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) 5^x + 1 = 15 (Round to the nearest thousandth.)

A) 3.358

B) 2.683

C) 0.683

D) 1.683

9) 9^x - 1 = 73 (Round to the nearest thousandth.)

A) 8.427

B) 1.953

C) 2.953

D) 3.953

10) (5^3x)(4^x + 1) = 8 (Round to the nearest thousandth.)

A) 0.116

B) 0.694

C) 0.112

D) 0.231

11) 5^3x = 8^x + 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) ∅