Asked by Rachal
The function h is is defined below.
h(x)=48x^2+ 12x - 16
Find all values of x that are NOT in the domain of h.
If there is more than one value, separate them with commas.
I'm lost.
h(x)=48x^2+ 12x - 16
Find all values of x that are NOT in the domain of h.
If there is more than one value, separate them with commas.
I'm lost.
Answers
Answered by
Rachal
The function h is is defined below
h(x)=(x+6)/(x^2+9x+8)
Find all values of x that are NOT in the domain of h.
If there is more than one value, separate them with commas.
Answered by
MathMate
This is a rational function.
The domain is in the Real numbers, i.e. (-∞,∞) <i>except</i> where the denominator becomes zero.
Therefore solving for
(x^2+9x+8) = 0
(x+8)(x+1) = 0
or x=-8, or x=-1.
Therefore the values of x that do <i>not</i> belong to the domain of f(x) is -8 and -1.
The domain is in the Real numbers, i.e. (-∞,∞) <i>except</i> where the denominator becomes zero.
Therefore solving for
(x^2+9x+8) = 0
(x+8)(x+1) = 0
or x=-8, or x=-1.
Therefore the values of x that do <i>not</i> belong to the domain of f(x) is -8 and -1.
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