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- . Evaluate the function at the indicated value of x. Round your result to three decimal places. Function: f(x) = 0.5x Value: x = 1.7

# . Evaluate the function at the indicated value of x. Round your result to three decimal places. Function: f(x) = 0.5x Value: x = 1.7

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1. Evaluate the function at the indicated value of x. Round your result to three decimal

places.

Function: f(x) = 0.5x Value: x = 1.7

-0.308

1.7

0.308

0.5

-1.7

5 points

QUESTION 2

1. Match the graph with its exponential function. y = 2-x - 3

y = -2x + 3

y = 2x + 3

y = 2x - 3

y = -2x - 3

5 points

QUESTION 3

1. Select the graph of the function.

f(x) = 5x-1 5 points

QUESTION 4

1. Evaluate the function at the indicated value of x. Round your result to three decimal

places.

Function: f(x) = 500e0.05x Value: x=17

1169.823

1369.823

1569.823

1269.823

1469.823

5 points

QUESTION 5

1. Use the One-to-One property to solve the equation for x.

3x+5

e = 36

x = -1/3

x2 = 6

x = -3

x = 1/3 x=3

5 points

QUESTION 6

1. Write the logarithmic equation in exponential form.

log8 64 = 2

648 = 2

82 = 16

82 = 88

82 = 64

864 = 2

5 points

QUESTION 7

1. Write the logarithmic equation in exponential form.

log7 343 = 3

7343 = 2

73 = 77

73 = 343

73 = 14

3437 = 2

5 points

QUESTION 8

1. Write the exponential equation in logarithmic form.

3

4 = 64

log64 4 = 3

log4 64 = 3

log4 64 = -3

log4 3 = 64

log4 64 = 1/3

5 points

QUESTION 9

1. Use the properties of logarithms to simplify the expression.

log20 209

0

-1/9

1

/9

-9

9

5 points

QUESTION 10

1. Use the One-to-One property to solve the equation for x.

log2(x+4) = log2 20 19

17

18

16

20

5 points

QUESTION 11

1. Find the exact value of the logarithmic expression.

log6 36

2

6

36

-2

none of these

5 points

QUESTION 12

1. Use the properties of logarithms to expand the expression as a sum, difference, and/or

constant multiple of logarithms. (Assume all variables are positive.)

log3 9x log3 9 x log3 x

log3 9 + log3 x

log3 9 log3

none of these

5 points

QUESTION 13

1. Condense the expression to a logarithm of a single quantity.

logx - 2logy + 3logz 5 points

QUESTION 14

1. Evaluate the logarithm using the change-of-base formula. Round your result to three

decimal places.

log4 9

1.585

5.585

3.585

4.585

2.585

5 points

QUESTION 15

1. Determine whether the given x-value is a solution (or an approximate solution) of the

equation.

2x-7

4 = 16

x=5

no

yes

5 points

QUESTION 16

1. Solve for x.

x

3 = 81

7

3

4

-4

-3

5 points

QUESTION 17

1. Solve the exponential equation algebraically. Approximate the resulte to three decimal

places.

e5x = ex2-14

-7, -2

7, -2

5, -14

7, 2

-7, 2

5 points

QUESTION 18

1. Solve the logarithmic equation algebraically. Approximate the result to three decimal

places.

log3(6x-8) = log3(5x + 10) 18

20

17

19

-2

5 points

QUESTION 19

1. Find the magnitude R of each earthquake of intensity I (let I0=1).

I = 19000

3.28

5.28

4.28

2.38

6.28

5 points

QUESTION 20

1. $2500 is invested in an account at interest rate r, compounded continuously. Find the

time required for the amount to double. (Approximate the result to two decimal

places.)

r = 0.0570

13.16 years

10.16 years

11.16 years

12.16 years

14.16 years