Logarithmic Function with Vertical Asymtote at X=-6, Y Intercept=5

In summary, the logarithmic function with a vertical asymtote at X = -6 and an intercept Y = 5 is y = Alog(x+6), where A is approximately 6.4254 or 2.7906 depending on the base of the logarithm.
  • #1
merikukri
9
0
what will be the logarithmic function with a vertical asymtote at X = -6 that has the intercept Y = 5

I know the denominator will be x+6 to get vertical asymtote, but don't know how to get Log Function ??
 
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  • #2
There is no denominator. What does a log function look like ?

You log function will be of the form,

y = Alog(X+B)

Now you have to figure out values for A and B.
 
  • #3
Fermat said:
There is no denominator. What does a log function look like ?
You log function will be of the form,
y = Alog(X+B)
Now you have to figure out values for A and B.

thanks for help, can you explain it in more details..I didn't understand the above function.

Regards
 
  • #4
Fermat said:
There is no denominator. What does a log function look like ?
You log function will be of the form,
y = Alog(X+B)
Now you have to figure out values for A and B.

so its going to be something like L(x) : ( | X+6 |, sqrt 6 ) :rolleyes:
 
  • #5
It will be,

y = Alog((x+6)

so you got the B correct.

There is a y-intecept of 5, so

5 = Alog(0+6)

What is A ?
 
  • #6
Fermat said:
It will be,
y = Alog((x+6)
so you got the B correct.
There is a y-intecept of 5, so
5 = Alog(0+6)
What is A ?

A is 5:frown:
 
  • #7
Nope.

5 = A.log(0+6)
A = 5/log(6)
A = 6.4254 (if taking logs to the base 10)
A = 2.7906 (if taking logs to the base e)
 

FAQ: Logarithmic Function with Vertical Asymtote at X=-6, Y Intercept=5

What is a logarithmic function?

A logarithmic function is a type of mathematical function that represents the relationship between two quantities where one quantity is the exponent of a fixed base. It is typically written in the form of y = logb(x), where b is the base and x is the input value.

What does a vertical asymptote at x = -6 mean in a logarithmic function?

A vertical asymptote at x = -6 means that the graph of the logarithmic function will approach but never touch the vertical line at x = -6. This indicates that the function is undefined at this point and the value of x cannot equal -6.

How do you find the y-intercept of a logarithmic function with a vertical asymptote at x = -6?

The y-intercept of a logarithmic function with a vertical asymptote at x = -6 can be found by substituting x = 0 into the function. In this case, the y-intercept would be (0, 5) as given in the question.

Can a logarithmic function have a vertical asymptote at a value other than x = -6?

Yes, a logarithmic function can have a vertical asymptote at any value of x as long as the base of the logarithm is positive and not equal to 1.

What is the significance of the vertical asymptote in a logarithmic function?

The vertical asymptote in a logarithmic function represents a point where the function is undefined. It can also indicate a point of discontinuity or a break in the graph of the function. In this case, the vertical asymptote at x = -6 shows that the function is undefined for x = -6 and that there is a break in the graph at this point.

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