Question

Given g(x) = -x – 4, find g(-5).

Answer 1

The value of g(-5) from the given. function; g(x) = -x – 4 is; g(-5) = 1

Evaluation of functions

The given function is;

• g(x) = -x – 4

Hence, the value of g(-5) can be obtained by substituting -5 for x in the function as follows;

• g(-5) = -(-5) -4

• g(-5) = 5 -4

• g(-5) = 1.

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Answer 2

Answer:

$\boxed{\boxed{\huge\bf \: g( - 5) = 1}}$

Step-by-step explanation:

Given polynomial:

$\bf : \sf \longmapsto \: g(x) = - x - 4$

To find:

$\bf : \sf \longmapsto \: g( - 5)$

Solution:

$\bf : \sf \longmapsto \: g(x) = - x - 4$

Replace x with -5 on the given polynomial:

$\bf : \sf \longmapsto \: g( - 5) = - ( - 5 - 4)$

Simplify:

Remove the parenthesis of the RHS:

As we know that (-) and (-) equals to (+) so,

$\bf : \sf \longmapsto \: g( - 5) = + 5 - 4$

Simply Subtract 5 and 4 on the RHS:

$\bf : \sf \longmapsto \: g( - 5) = + 1$

Hence the value of g(-5) is :

$\boxed{\bf \sf \: g( - 5) = 1}$

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