(a) $h(2)=-1$ (b) $h(-1)=-1$ (c) $h(x+1)=-x^2-x+1$
Work Step by Step
$h(t)=-t^2+t+1$ (a) $h(2)=-2^2+2+1=-4+3=-1$ (b) $h(-1)=-(-1)^2+(-1)+1=-4+3=-1-1+1=-1$ (c) $h(x+1)=-(x+1)^2+(x+1)+1=-x^2-2x-1+x+1+1=-x^2-x+1$
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