Answer :
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
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:
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