Respuesta :

Answer:

The values of x that makes f(x) have a valid asymptote are 1 and 8

Step-by-step explanation:

Given

[tex]f(x) = \frac{9}{(x-1)(x-8)}[/tex]

Required

At what value does f(x) has a vertical asymptote

To solve this, we simply equate the denominator of f(x) to 0;

This is done as follows

[tex]{(x-1)(x-8)} = 0[/tex]

This can be split to

[tex]{(x-1) = 0 \ or\ (x-8)} = 0[/tex]

Remove brackets

[tex]x-1 = 0 \ or\ x-8 = 0[/tex]

Make x the subject of formula in both cases

[tex]x-1+1 = 0+1 \ or\ x-8+8 = 0+8[/tex]

[tex]x= 0+1 \ or\ x = 0+8[/tex]

[tex]x= 1 \ or\ x = 8[/tex]

The values of x that makes f(x) have a valid asymptote are 1 and 8

Answer:

The correct answer is 1 and 8

Step-by-step explanation:

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