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Sagot :
Sure, let's break down the problem step-by-step and evaluate the given functions for [tex]\( x = -8 \)[/tex]:
1. Evaluate [tex]\( g(x) \)[/tex] at [tex]\( x = -8 \)[/tex]:
The function [tex]\( g(x) \)[/tex] is given by:
[tex]\[ g(x) = |x + 5| \][/tex]
Substitute [tex]\( x = -8 \)[/tex] into the function:
[tex]\[ g(-8) = |-8 + 5| = |-3| = 3 \][/tex]
So, [tex]\( g(-8) = 3 \)[/tex].
2. Evaluate [tex]\( h(x) \)[/tex] at [tex]\( x = -8 \)[/tex]:
The function [tex]\( h(x) \)[/tex] is given by:
[tex]\[ h(x) = \frac{1}{x + 7} \][/tex]
Substitute [tex]\( x = -8 \)[/tex] into the function:
[tex]\[ h(-8) = \frac{1}{-8 + 7} = \frac{1}{-1} = -1 \][/tex]
So, [tex]\( h(-8) = -1 \)[/tex].
3. Evaluate [tex]\( (g - h)(x) \)[/tex] at [tex]\( x = -8 \)[/tex]:
The expression [tex]\( (g - h)(x) \)[/tex] denotes the difference between [tex]\( g(x) \)[/tex] and [tex]\( h(x) \)[/tex]. Thus:
[tex]\[ (g - h)(x) = g(x) - h(x) \][/tex]
Substitute [tex]\( x = -8 \)[/tex]:
[tex]\[ (g - h)(-8) = g(-8) - h(-8) = 3 - (-1) = 3 + 1 = 4 \][/tex]
So, the value of [tex]\( (g - h)(-8) \)[/tex] is 4.
Therefore, the solution to the question is:
[tex]\[ (g-h)(-8) = 4 \][/tex]
1. Evaluate [tex]\( g(x) \)[/tex] at [tex]\( x = -8 \)[/tex]:
The function [tex]\( g(x) \)[/tex] is given by:
[tex]\[ g(x) = |x + 5| \][/tex]
Substitute [tex]\( x = -8 \)[/tex] into the function:
[tex]\[ g(-8) = |-8 + 5| = |-3| = 3 \][/tex]
So, [tex]\( g(-8) = 3 \)[/tex].
2. Evaluate [tex]\( h(x) \)[/tex] at [tex]\( x = -8 \)[/tex]:
The function [tex]\( h(x) \)[/tex] is given by:
[tex]\[ h(x) = \frac{1}{x + 7} \][/tex]
Substitute [tex]\( x = -8 \)[/tex] into the function:
[tex]\[ h(-8) = \frac{1}{-8 + 7} = \frac{1}{-1} = -1 \][/tex]
So, [tex]\( h(-8) = -1 \)[/tex].
3. Evaluate [tex]\( (g - h)(x) \)[/tex] at [tex]\( x = -8 \)[/tex]:
The expression [tex]\( (g - h)(x) \)[/tex] denotes the difference between [tex]\( g(x) \)[/tex] and [tex]\( h(x) \)[/tex]. Thus:
[tex]\[ (g - h)(x) = g(x) - h(x) \][/tex]
Substitute [tex]\( x = -8 \)[/tex]:
[tex]\[ (g - h)(-8) = g(-8) - h(-8) = 3 - (-1) = 3 + 1 = 4 \][/tex]
So, the value of [tex]\( (g - h)(-8) \)[/tex] is 4.
Therefore, the solution to the question is:
[tex]\[ (g-h)(-8) = 4 \][/tex]
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