Find the equation(s) of the tangent line(s) from xy^2-y-2=0 at x=1 (Use implicit differentation)

Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.

Find the slope of the function at (1,-1) x^(2/3)- y^(2/3)- y= 1 m=? Round to 3 decimal places if needed.

Define f(x)=2x^4-3x^2 as a Maple function. Find the equation of the tangent line at the point x=2.3. Plot both the function and the tangent line on the same coordinate axes, with different colors.