sibuzwaW

2021-10-26

if x=2 , f(x)=1

if x=3 , f(x)=4

if x=5 , f(x)=-2

if x=8 , f(x)=3

if x=13 , f(x)=6

f is twice variable for all real numbers.

1. Find f'(4)

2. Approximate${\underset{2}{\int}}^{13}{f}^{\prime}\left(x\right)dx$

2. Find the value of${\underset{2}{\int}}^{8}(3-{f}^{\prime}\left(x\right))dx$

if x=3 , f(x)=4

if x=5 , f(x)=-2

if x=8 , f(x)=3

if x=13 , f(x)=6

f is twice variable for all real numbers.

1. Find f'(4)

2. Approximate

2. Find the value of

Tuthornt

Skilled2021-10-27Added 107 answers

1. $f}^{\prime}\left(4\right)=\frac{f\left(5\right)-f\left(3\right)}{5-3$

=(-2-4)/2

=-3

2. The lengths of intervals are 1, 2, 3, and 5 respectively. Right end points:

$\underset{1}{x}=3,\underset{2}{x}=5,\underset{3}{x}=8,\underset{4}{x}=13$

Use Riemann Sum:

$\underset{4}{R}=f\left(3\right)\times 1+f\left(5\right)\times 2+f\left(8\right)\times 3+f\left(13\right)\times 5$

$\underset{4}{R}=4-2\times 2+3\times 3+6\times 5$

$\underset{4}{R}=39$

3. (C)

$\underset{2}{\int}}^{8}(3-{f}^{\prime}\left(x\right))dx={\underset{2}{[3x-f\left(x\right)]}}^{8$

$=3\times 8-f\left(8\right)-3\times 2+f\left(2\right)$

=24-3-6+1

=16

=(-2-4)/2

=-3

2. The lengths of intervals are 1, 2, 3, and 5 respectively. Right end points:

Use Riemann Sum:

3. (C)

=24-3-6+1

=16

Find an equation of the plane. The plane through the points (2, 1, 2), (3, −8, 6), and (−2, −3, 1), help please

A consumer in a grocery store pushes a cart with a force of 35 N directed at an angle of $25}^{\circ$ below the horizontal. The force is just enough to overcome various frictional forces, so the cart moves at a steady pace. Find the work done by the shopper as she moves down a $50.0-m$ length aisle.

??What is the derivative of $\mathrm{arcsin}\left[{x}^{\frac{1}{2}}\right]$?

What is the derivative of $y=\mathrm{arcsin}\left(\frac{3x}{4}\right)$?

Determine if the graph is symmetric about the $x$-axis, the $y$-axis, or the origin.$r=4\mathrm{cos}3\theta $.

How to differentiate $1+{\mathrm{cos}}^{2}\left(x\right)$?

What is the domain and range of $\left|\mathrm{cos}x\right|$?

How to find the value of $\mathrm{csc}74$?

How to evaluate $\mathrm{sec}\left(\pi \right)$?

Using suitable identity solve (0.99)raised to the power 2.

How to find the derivative of $y=\mathrm{tan}\left(3x\right)$?

Find the point (x,y) on the unit circle that corresponds to the real number t=pi/4

How to differentiate ${\mathrm{sin}}^{3}x$?

A,B,C are three angles of triangle. If A -B=15, B-C=30. Find A , B, C.

Find the value of $\mathrm{sin}{270}^{\circ}$.