f(X)=x³+5x²+2x+4
f(-1) f(-5)=?
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Step-by-step explanation:
f(-1)=x³+5x²+2x+4
=(-1)³+5×(-1)²+2×(-1)+4
= -1+5-2+4
= 4 -2+4
=2+4=6 answer
now,
f(-5)=x³+5x²+2x+4
=(-5)³+5×(-5)²+2×(-5)+4
= -125+125-10+4
= 0-10+4
=-6 answer
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