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If f(x) = 4x +5, find f(5).

Sagot :

F(5)=4x+5
F(5) is 0 at this point
Subtract 5 from both sides
-5=4x
Divide both sides by 4
-5/4=x
So f(5)=-5/4

The value of the function f(x) = 4x +5 at x = 5 is f(5) = 25

What is function?

"It is a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output."

For given example,

Given function: f(x) = 4x +5

We need to find the value of f(x)

This means, we need to find the function f(x) when x = 5

Substitute x = 5 in the given function.

⇒ f(x) = 4x +5

⇒ f(5) = 4(5) +5

⇒ f(5) = 20 + 5

⇒ f(5) = 25

Therefore, f(5) = 25

Learn more about the function here:

https://brainly.com/question/13581879

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