Apply derivatives

Find the equation of the tangent line to the graph $$f\left(x\right)=x^2-1$$ at the point $$\left(2,3\right)$$

Find the equation of the tangent line to $$x^2+3xy+y^3=15$$ at $$x=1$$

Find the equation of the tangent line to $$y=2x^3+6x^2+5x+1$$ at $$x=2$$

Find the equation of the tangent line to $$y=3x^4-5x^3+6x+8$$ at $$x=1$$

Find the relative extrema of $$y=2x^3+3x^2-12x+8$$

Find the relative extrema of $$y=2x^2-8x+6$$

Find the relative extrema of $$y=2-x^2$$

Find the equation of the tangent line to $$f\left(x\right)={\left(\sec x\right)}^2$$ at ($$\frac{\pi }{3},4$$)

Find the equation of the tangent line to the graph of $$f\left(x\right)=\frac{x}{x-1}$$ at $$x=2$$

Find the equation of the tangent line to $$y=x^3+2x$$ at the point (1,3)