Question
Asked Dec 2, 2019
1 views

Solve the following logarithmic equations. Give the exact solution. Find an approximate solution
(rounded off to two decimal places), if necessary. Check for extraneous solutions.

2ln(x 7) 6
help_outline

Image Transcriptionclose

2ln(x 7) 6

fullscreen
check_circle

Expert Answer

Step 1

The natural log lnx=y is converted into exponential form by,

help_outline

Image Transcriptionclose

In (x) y x e

fullscreen
Step 2

Simplify the equation

help_outline

Image Transcriptionclose

2 In (x +7) 6 In (x+7) 3

fullscreen
Step 3

Convert log into expo...

help_outline

Image Transcriptionclose

In(x+7)3 x7 = e -7 =20.09-7 13.09

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Advanced Math

Related Advanced Math Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: B = M - C2  making C the subject of the equation we get C = Select one: a. √(M - B) b. √(M) - B c...

A: Click to see the answer

question_answer

Q: Find the limit of the series Σ[(i+1)/4i] where i goes from 0 to infinity.

A: Note:

question_answer

Q: For each equation, decide which type of conic section each equation represents (parabola, ellipse, h...

A: To identify the type of conic section observe the given equation,Circle: Both x2 and y2 is present a...

question_answer

Q: Tllustrate/graph and obtain the required for the funchon . Z713-14 9/2 -7minota Give the rectangular...

A: The power can be calculated as:

question_answer

Q: Let X be a set and XX the set of all functions from X into X. Show that function composition on X is...

A: Given

question_answer

Q: If  f(x) = x2 - 2x - 2  then f(-2) =   Select one: a. -4 b. 6 c. 4 d. none of the options

A: Click to see the answer

question_answer

Q: For p an odd prime in Z , Prove: If p=(a)^2 + (b)^2  is possible in Z then   p is not prime in Z[i]

A: Given that p is odd prime. This implies that p is not equal to 2.

question_answer

Q: 3 Two cards are drawn from a deck of 52 cards, with replacement. (This means that one person chooses...

A: From the given statement, the two cards are drawn from a deck of 52 cards, with replacement.

question_answer

Q: Solve the linear programming problem. Minimize and maximize P 20x 10y 2х + Зу 2 30 Subject to 2х +у ...

A: Sketch given line equations and get the required region and its boundary points as shown below.