if f(x) =x square +2x-5 find f(2) , f(-3)
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Answer:
f(2),f(x)=3
f(3),f(x)=7
Step-by-step explanation:
i)x=2
f(x)=x^2+2x-5
f(2)=2^2+2*2-5
=4+4-5
=8-5
=3
ii)x=3
f(x)=x^2+2x-5
=3^2+2*3-5
=6+6-5
=12-5
=7
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