If g(y) = 4y ^ 3 - 8y ^ 2 + 7y + 9 then, find the value of g(0) + g(- 1)
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g(y)=4y^3-8y^2+7y+9
g(0)=4y^3-8y^2+7y+9
=4(0)^3-8(0)^2+7(0)+9
=4(0)-8(0)+0+9
=0-0+0+9
=9
g(-1)=4y^3-8y^2+7y+9
=4(-1)^3-8(-1)^2+7(-1)+9
=4(-1)-8(1)+7(-1)+9
=-4-8-7+9
=-19+9
=-10
Therefore the value of g(0)+g(-1)=9+(-10)=9-10=-1
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