Question

if f(x) = 5x - 4, then f(x) + f(-x) = ________​

Answer 1

Answer:

Given

f(x)=5x-4

then

f(x)+f(-x)=(5x-4)-(5x-4)

=5x-4-5x+4

=0

I hope you it will help you

Answer 2

If f(x) = 5x - 4 then f(x) + f(-x) = - 8

Given :

The function f(x) = 5x - 4

To find :

The value of f(x) + f(-x)

Solution :

Step 1 of 2 :

Write down the given function

The given function is

f(x) = 5x - 4

Step 2 of 2 :

Find the value of f(x) + f(-x)

f(x) = 5x - 4

Thus we get

f( - x) = - 5x - 4

Therefore

f(x) + f(-x)

= 5x - 4 - 5x - 4

= - 8

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