HW4: Solving Equations with Logs

Last updated almost 4 years ago
17 questions
Note from the author:
Solve each equation for x. Enter only the number. Round answers to the nearest hundredth when necessary.

To review solving equations using logs, check out this video.

There are two graphing review questions at the end.
Solve each equation for x. Enter only the number. Round answers to the nearest hundredth when necessary.

To review solving equations using logs, check out this video.

There are two graphing review questions at the end.
1

3^{x}=18

1

12^{x-3}=60

1

15^{3x-5}=87

1

4\cdot10^{x}=60

1

13^{x-8}-9=17

1

10^{2x-7}-3=57

1

6\cdot4^{x}-14=88

1

8\cdot11^{3x-9}+10=194

Review - Find the features for the function given.

f(x) = 2^{x-3}-7


1

Classify as growth or decay.

1

Identify the asymptote.

There should be an "=" in your answer, no spaces.

1

Identify the end behaviors.

Select two.

1

Identify the x-intercept.

Use (x, 0) format. Round to the hundredths when necessary. If there is none, type "none".

1

Identify the y-intercept.

Use (0, y) format. Round to the hundredths when necessary. If there is none, type "none".

Review - Find the features for the function given.

f(x) = log_{\frac{1}{4}}(x+4)


1

Identify the asymptote.

There should be an "=" in your answer, no spaces.

1

Identify the end behaviors.

Select two.

1

Identify the x-intercept.

Use (x, 0) format. Round to the hundredths when necessary. If there is none, type "none".

1

Identify the y-intercept.

Use (0, y) format. Round to the hundredths when necessary. If there is none, type "none".