Question 1069295
The derivative is 2x, and at x=1 the slope is 2.
Have a point (1,1) with slope 2.
y-y1=m(x-x1) m slope (x1,y1) point
y-1=2(x-1)
y=2x-1
{{{graph(300,300,-2,2,-2,2,x^2,2x-1)}}}