Recent questions in Calculus and Analysis

Calculus 1Answered question

Monverdeitum 2023-03-31

Find the local maximum and minimum values and saddle points of the function. If you have three-dimensional graphing software, graph the function with a domain and viewpoint that reveal all the important aspects of the function

$f(x,y)={x}^{3}-6xy+8{y}^{3}$

PrecalculusAnswered question

Maui1opj 2023-03-30

Describe all solutions of Ax=0 in parametric vector form, where A is row equivalent to the given matrix

$$\left[\begin{array}{cccc}1& 3& 0& -4\\ 2& 6& 0& -8\end{array}\right]$$

PrecalculusAnswered question

LoomiTymnk63x 2023-03-29

Whether f is a function from Z to R if

a) $f\left(n\right)=\pm n$.

b) $f\left(n\right)=\sqrt{{n}^{2}+1}$.

c) $f\left(n\right)=\frac{1}{{n}^{2}-4}$.

PrecalculusAnswered question

Riley Barton 2023-03-29

Find, correct to the nearest degree, the three angles of the triangle with the given vertices

A(1, 0, -1), B(3, -2, 0), C(1, 3, 3)

A(1, 0, -1), B(3, -2, 0), C(1, 3, 3)

PrecalculusAnswered question

Lexi Holmes 2023-03-27

How to write the expression ${6}^{\frac{3}{2}}$ in radical form?

PrecalculusAnswered question

Monverdeitum 2023-03-27

What is the derivative of ${\mathrm{cot}}^{2}x$ ?

PrecalculusAnswered question

Junior Hess 2023-03-27

How to evaluate $\mathrm{sin}\left(\frac{-5\pi}{4}\right)$?

Calculus 1Answered question

poetinjam4gj4 2023-03-26

What is the derivative of $f\left(x\right)={5}^{\mathrm{ln}x}$?

PrecalculusAnswered question

Daisy Hatfield 2023-03-26

Find $\mathrm{tan}\left(22.{5}^{\circ}\right)$ using the half-angle formula.

PrecalculusAnswered question

Zachariah Ferrell 2023-03-26

How to verify the identity: $\frac{\mathrm{cos}\left(x\right)-\mathrm{cos}\left(y\right)}{\mathrm{sin}\left(x\right)+\mathrm{sin}\left(y\right)}+\frac{\mathrm{sin}\left(x\right)-\mathrm{sin}\left(y\right)}{\mathrm{cos}\left(x\right)+\mathrm{cos}\left(y\right)}=0$?

Calculus 1Answered question

Marisa Singleton 2023-03-25

What Is the common difference or common ratio of the sequence 2, 5, 8, 11...?

Calculus 1Answered question

Ronin Daniels 2023-03-25

What is the derivative of $f\left(x\right)=\mathrm{ln}\left[{x}^{9}{(x+3)}^{6}{({x}^{2}+7)}^{5}\right]$ ?

PrecalculusAnswered question

Lexi Holmes 2023-03-25

How to find the inflection points for the given function $f\left(x\right)={x}^{3}-3{x}^{2}+6x$?

PrecalculusAnswered question

Keegan Stevens 2023-03-25

How to express the complex number in trigonometric form: 5-5i?

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