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Given the functions:

[tex]\( h(x) = x^2 + 1 \)[/tex]
[tex]\( k(x) = x - 2 \)[/tex]

Find [tex]\((h + k)(2)\)[/tex].

Sagot :

GinnyAnswer
To find [tex]\((h + k)(2)\)[/tex], we'll go through the following steps:

1. Evaluate [tex]\( h(x) \)[/tex] at [tex]\( x = 2 \)[/tex]:

First, we need to find [tex]\( h(2) \)[/tex]. The function [tex]\( h(x) \)[/tex] is given by:
[tex]\[ h(x) = x^2 + 1 \][/tex]
Substituting [tex]\( x = 2 \)[/tex] into the function,
[tex]\[ h(2) = 2^2 + 1 = 4 + 1 = 5 \][/tex]

2. Evaluate [tex]\( k(x) \)[/tex] at [tex]\( x = 2 \)[/tex]:

Next, we need to find [tex]\( k(2) \)[/tex]. The function [tex]\( k(x) \)[/tex] is given by:
[tex]\[ k(x) = x - 2 \][/tex]
Substituting [tex]\( x = 2 \)[/tex] into the function,
[tex]\[ k(2) = 2 - 2 = 0 \][/tex]

3. Calculate [tex]\((h + k)(2)\)[/tex]:

The next step is to add the values of [tex]\( h(2) \)[/tex] and [tex]\( k(2) \)[/tex] to find [tex]\((h + k)(2)\)[/tex]:
[tex]\[ (h + k)(2) = h(2) + k(2) \][/tex]
Substituting the values we found,
[tex]\[ (h + k)(2) = 5 + 0 = 5 \][/tex]

So, [tex]\((h + k)(2) = 5\)[/tex].
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