4

5

-5

-4

$\frac{1}{2}$

- $\frac{1}{2}$

$\frac{\sqrt{3}}{2}$

- $\frac{\sqrt{3}}{2}$

$3x^2-4x+x+2$

$3x^3-2x^2+x$

$3x^2-4x+1$

$\frac{\sin x+1}{\sqrt{x}}+2\sqrt{x}\cos x$

$\frac{2\sin x+1}{2\sqrt{x}}+2\sqrt{x}\cos x$

$\frac{2\sin x+1}{2\sqrt{x}}-2\sqrt{x}\cos x$

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

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

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

$-\frac{1}{\cos^2x}-\frac{1}{x^2}$

$\frac{1}{\cos^2x}-\frac{1}{x^2}$

$\frac{1}{\sin^2x}-\frac{1}{x^2}$

$40\left(8x-15\right)^4$

$75\left(8x-15\right)^4$

$5\left(8x-15\right)^4$

$\frac{1}{2\sqrt{3-2x}}$

$\frac{1}{\sqrt{3-2x}}$

$-\frac{1}{\sqrt{3-2x}}$

$-4\cos\left(4x+\frac{\pi}{6}\right)$

$4\cos\left(4x+\frac{\pi}{6}\right)$

$\cos\left(4x+\frac{\pi}{6}\right)$