Find the approximate value of $f(2.01),$ where $f(x)=4x^{2}+5x+2$.

Find the approximate value of $(15)^{\frac{1}{4}}$.

The approximate value of $f(x)=x^3+5x^2-7x+9$ at $x=1.1$ is

The approximate value of $\cos 31^{\circ}$ is (Take $1^{\circ} = 0.0174 \text{ rad}$)

If the radius of a sphere is measured as $7 \text{ m}$ with an error of $0.02 \text{ m}$, then find the approximate error in calculating its volume. (in $\pi \text{ m}^3$)

Consider the following statements:
$A$ is the relative error in the area of a square when the relative error in its side is $0.4$.
$B$ is the relative error in the volume of a sphere when the relative error in its radius is $0.3$.
$C$ is the relative error in the surface area of a closed cylinder whose height is equal to its radius,when the relative error in its height is $0.2$.
$D$ is the approximate error in $y = x^2 + x - 3$ when $x = 2$ and $\delta x = 0.1$.
The ascending order of the values of errors in these statements is: