Question

find the value of f(-2) if f(x)=x²-3x-6?​

Answer 1

Given :

• f(x) = x² - 3x - 6

To Find :

• f(-2)

If f(x) = x² - 3x - 6, then if we should find the value of f(-2), we have to substitute -2 in place of x in the given equation.

$f( - 2) = ( - 2 )^{2} - 3( - 2) - 6$

$f( - 2) = 4 + 6 - 6$

+ 6 and - 6 will get cancelled, remaining number is 4.

So, f(-2) = 4

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Answer 2

Step-by-step explanation:

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