Exponential and Logarithmic Basics
Converting between Exponential and Logarithmic Functions
Condensing Logarithms
Expanding Logarithms
Solving Exponential and Logarithmic Equations
200

Determine if the function is exponential growth or decay.

4 * (2/3)x



What is exponential decay?

200

Rewrite as a logarithmic function:

3x = 12

What is    log3 12 = x ?

200

Condense the following:

log2 3 + log2 x

What is     log2 3x?

200
Expand the following:      log4 5xy

What is    log45 + log4x + log4y  ?

200

Solve the following equation:

5x = 75

What is x = 2.683?

400

Determine if the function is exponential growth or decay.

0.5 * (5)x

What is exponential growth?

400

Rewrite as an exponential function:     log4 7 = x


What is 4x = 7 ?

400

Condense the following:

2 log6x - 3 log6y


What is     log6 x2/y3  ?

400

Expand the following:    ln 7/x

What is    ln 7 - ln x  ?

400

Solve the following equation:    4 log6 2x = 18

What is x = 1587.269?

600

Evaluate    log9280 = ?

What is 2.565?

600

Rewrite as an exponential function:   log 5 = x


What is    10x = 5 ?

600

Condense the following:

1/2 ln x - 1/3 ln (x + 4)

What is   ln sqrt(x)/cubert(x + 4)

600

Expand the following:     log x2yz3

What is    2 log x + log y + 3 log z   ?

600

Solve the following equation:    3ex = 204

What is x = 1.773?

800

Evaluate   log5 (1/100).

What is -2.861?

800

Rewrite as a logarithmic function:     ex = 15

What is   ln 15 = x ?

800

Condense the following:

3 log x - [log x + 4 log (x - 1)]

What is  log x3 / x(x-1)4

800

Expand the following:      log7 cuberoot(x-2)

What is     1/3 log7 (x - 2)?

800

Solve the following equation:     6 + 23x-4 = 50

What is x = 3.153?

1000

Identify the domain and range of the logarithmic function.



The domain - (0, infinity)

The range - all real numbers

1000

Rewrite as an exponential function:     ln x = 10

What is e10 = x  ?

1000

Condense the following:

1/2 log3w - 6 log3x -  log3y + 4 log3z

What is     log3 sqrt(w)z4 / x6y  ?
1000

Expand the following:          log2x5y3 / z1/2

What is     5 log2x + 3 log2y - 1/2 logz   ?

1000

Solve the following equation:     5 - 3 log (x - 2) = 20

What is x = 2.00001?

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