Question

If f(x)=-4x+5, then find f(1)+f(-1)​

Answer 1

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Answer 2

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If f(x)=-4x+5, then find f(1)+f(-1)

$\huge\tt{\bold{\underline{\underline{Answer᎓}}}}$

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f(x) is the function or also the derivative of function with respect to x.

=>Putting values into f(x) defines the changes made in a function.

$\bold{\boxed{f(x) = - 4x + 5}}$

$= > f(1) = - 4(1) + 5$

$= > f(1) = 5 - 4 = 1$

$\bold{= > f(1) = 1}$

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

$= > f( - 1) = - 4( - 1) + 5$

$= > f( - 1) = 4 + 5 = 9$

$\bold{= > f( - 1) = 9}$

Hence ,f(1)=1 & f(-1)=9

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