$$4x^4+6x^2-14x-8$$  

$$4x^3-6x^2-14x-8$$  

$$4x^3+6x^2-14x$$  

$$5x^4+6x^2+14x$$  

$$x^4-2x^2-14x$$  

$$y'=6x^2-8x+2$$  

$$y'=6x^2+8x+2$$  

$$y'=6x^3-8x^2$$  

$$y'=6x^2-8x$$  

$$y'=6x^2+8x$$  

$$12\left(3x^2+5\right)^3$$  

$$24x\left(3x^2+5\right)^3$$  

$$12x\left(3x^2+5\right)^3$$  

$$24\left(3x^2+5\right)^3$$  

$$x^3+3x^2-3$$  

$$2x^3-x+3$$  

$$3x^2+6x-1$$  

$$3x^2-6x$$  

$$3x^2-6x+1$$  

$$x^3+x^2–2$$  

$$x^3+2x^2–4$$  

$$2x^3+2x^2–4$$  

$$2x^3+2x^2–4x$$  

$$2x^3+2x^2–4x+1$$  

$$-\frac{2}{x^3}-6x\ -\frac{15}{x^4}$$  

$$-\frac{2}{x^3}+6x\ +\frac{15}{x^4}$$  

$$-\frac{2}{x^3}-6x\ +\frac{15}{x^4}$$  

$$\frac{2}{x^3}+6x\ +\frac{15}{x^4}$$  

$$\frac{1}{\sqrt{2x+4}}$$  

$$\frac{2}{\sqrt{2x+4}}$$  

$$\frac{-1}{\sqrt{2x+4}}$$  

$$\frac{-2}{\sqrt{2x+4}}$$  

$$\frac{3}{\sqrt{2x+4}}$$  

$$x^5-x^3+3x^2-3$$  

$$5x^4+3x^2+6x$$  

$$5x^4-3x^2+6x$$  

$$5x^4-3x^2-6x$$  

$$x^4-x^2+x$$  

$$-2\ atau\ 1$$  

$$-1\ atau\ 2$$  

$$1\ atau\ 2$$  

$$2\ atau\ 3$$  

$$3\ atau\ 4$$  

$$\frac{1}{\sqrt{x}}$$  

$$2x^{\frac{1}{2}}$$  

$$x^{-\frac{1}{2}}$$  

$$\frac{2}{\sqrt{x}}$$  

$$\sqrt{x}$$  

$$f'\left(x\right)=-\frac{4}{7x^5}$$  

$$f'\left(x\right)=-28x^5$$  

$$f'\left(x\right)=-\frac{4x^3}{7}$$  

$$f'\left(x\right)=-28x^3$$  

$$f'\left(x\right)=\frac{x^3}{7}$$  

$$9x^2+10x-1$$  

$$9x^2-10x+1$$  

$$9x^2-10x-1$$  

$$-9x^2+10x+1$$  

$$\frac{-3x^2+2x+9}{\left(x^2+3\right)^2}$$  

$$\frac{3x^2+2x+9}{\left(x^2+3\right)^2}$$  

$$\frac{-3x^2+2x+9}{\left(x^2+3\right)}$$  

$$\frac{3x^2+2x+9}{\left(x^2+3\right)}$$  

$$\frac{10x^4-6}{\sqrt{2x^5-6x+1}}$$  

$$\left(10x^4-6\right)\sqrt{2x^5-6x+1}$$  

$$(10x^4–6)\ \left(2x^5+6x\ +1\right)^{\frac{3}{2}}$$  

$$\frac{5x^4-3}{\sqrt{2x^5-6x+1}}$$  

$$\frac{1}{\sqrt{10x^4-6}}$$