Question

what is f(-1) if f(x)= -x³+x²-2x-7?

Answer 1

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what is f(-1) if f(x)= -x³+x²-2x-7?

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$f( x) = - {x}^{3} + {x}^{2} - 2x - 7$

$f( - 1) = - {( - 1)}^{3} + {( - 1)}^{2} - 2( - 1) - 7$

$f( - 1) = + 1 + 2 - 7$

$= - 3$

Here is your answer^^^^

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Answer 2

Answer:

-3

Step-by-step explanation:

f(-1)=-(-1)³+ (-1)²-2(-1)-7

f(-1)=1+1+2-7

f(-1) =-3

I made a direct step friends