If f(x) =3x^2+5x-7,show that f(1)-f(0)/f(2)=8/15
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Answer:
Step-by-step explanation:
TO PROVE: f(-1)=3f(1)
f(x)=3x^2-5x+7
f(1)=3(1)^2-5(1)+7
=3-5+7
=10-5
=5
f(-1)=3(-1)^2-5(-1)+7
=3(1)+5+7
=15
therefore,
f(-1)=3f(1)
15=3(5)
15=15
HENCE ITS PROVED
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