True: x1/2=ƴx, If y = 7x then y'=7, If y=0.5x2 then y'=x, ƴx=x1/2, 3-2=1/9, Fractional powers make roots, Negative powers make fractions, (a+b)2 = a2 +2ab + b2, If f(x) = 3x2 then f(5)=75, If y = sqrt(x) then y'=0.5x-0.5, If y=3x-1 then y'=-3x-2, 1/x2 = x-2, (a+b)2 = a2 + 2ab + b2, 100-9x2=(10 - 3x)(10 + 3x), False: x-2=ƴx, If y=x2 then y'=x, If If y=1/2x2 then y'=2x, ƴx=1/x, 3-2=-9, If y=3x4 then y'=12x4, (a + b)2 = a2 + b2, anything0 = 0, If f(x)=3x2 then f(0)=3, If y=sqrt(x) then y'=0.5x0.5, If y=-3x-1 then y' = -3x-2, 1/x3 = -3/x, (a+b)2 = a2+b2, 100-9x2 =(10 - 3x)2,

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