y=kx+b y'=(1/2)*1/sqrtx y'(1)=1/2
sqrt(1)=1/2*1+b b=1/2
y=1/2x+1/2
y=31/2+1/2=16
y=kx+b y'=(1/2)*1/sqrtx y'(1)=1/2sqrt(1)=1/2*1+b b=1/2y=1/2x+1/2y=31/2+1/2=16
y=kx+b y'=(1/2)*1/sqrtx y'(1)=1/2
sqrt(1)=1/2*1+b b=1/2
y=1/2x+1/2
y=31/2+1/2=16
y=kx+b y'=(1/2)*1/sqrtx y'(1)=1/2
sqrt(1)=1/2*1+b b=1/2
y=1/2x+1/2
y=31/2+1/2=16