Precalculus Solutions | Expert Assistance for Problems & Examples

Show that if A and B are similar matrices, then $det (A) = det (B)$ .

ukelangf0 2021-12-04

Find the nth Taylor polynomial centered at c. $f (x) = \frac{1}{x^{2}}, n = 4, c = 2$

dictetzqh 2021-12-03

Factor, please, $y = 4 x^{2} + 17 x + 4$

Steven Smith 2021-12-02

Mark the statement True or False, and justify your answer. Two matrices are row equivalent if they have the same number of rows.

danrussekme 2021-12-01

solve equation
$\sin^{2} θ = - \cos 2 θ$

Grady Turner 2021-11-30

Question
For a linear transformation $w = (a + j b) z$ , the point $A = (1 + j)$ in the z-plane was transformed to $A = (- 5 + 14 j)$ in the w-plane. Calculate $(a + j b)$ , the magnification, and the rotation of the transformation.

impresijuzj 2021-11-28

Find a basis for the space of $2 \times 2$ lower triangular matrices
Basis =

Yolanda Jorge 2021-11-27

Find y' if $= x^{y} = y^{x}$

wurmiana6d 2021-11-25

The cost function for production of a commodity is
$C (x) = 339 + 25 x - 0.09 x^{2} + 0.0004 x^{3}$
Find and interpret $C^{'} (100)$

mronjo7n 2021-11-23

Write the solution set of the given homogeneous system in parametric vector form.
$x_{1} + 3 x_{2} - 5 x_{3} = 0$
$x_{1} + 4 x_{2} - 8 x_{3} = 0$
$- 3 x_{1} - 7 x_{2} + 9 x_{3} = 0$

rompentskj 2021-11-23

Determine the values of h such that the matrix is the augmented matrix of a consistent linear system.
$[\begin{matrix} 1 & h & 5 \\ - 2 & 6 & - 15 \end{matrix}]$

siroticuvj 2021-11-23

(a) Find a fundamental matrix for the given system of equations.(b) Also find the fundamental matrix Φ(t)satisfying Φ(0)=I

mronjo7n 2021-11-22

a) Through examination, identify a specific answer to
$y + 2 y = 10$
b) Investigate and identify a specific answer to
$y + 2 y = - 4 x$
с) Track down a precise answer to
$y + 2 y = - 4 x + 10$
d) Track down a precise answer to
$y + 2 y = 8 x + 5$

Jason Watson 2021-11-22

Figure ABCD is a trapezoid with point A (0, -4). What rule would rotate the figure 270° clockwise?

Redemitz4s 2021-11-22

Help to solve: ${(x + h)}^{3} = x^{3} + 3 x^{2} h + 3 x h^{2} + h^{3}$

pavitorj6 2021-11-22

Prove that $\sin^{2} x - \cos^{2} = 1 - 2 \cos^{2} x$

luipieduq3 2021-11-22

Differentiate the following function respect to x
$p = e^{x^{2} \sin x}$

wurmiana6d 2021-11-21

Two stores sell watermelons. At the first store, the melons weigh an average of 22 pounds, with a standard deviation of 2.5 pounds. At the second store, the melons are smaller, with a mean of 18 pounds and a standard deviation of 2 pounds. You select a melon at random at each store. a) What's the mean difference in weights of the melons? b) What's the standard deviation of the difference in weights? c) If a Normal model can be used to describe the difference in weights, what 's the probability that the melon you got at the first store is heavier?

ikavumacj 2021-11-21

For the matrix, list the eigenvalues, repeated according to their multiplicites.
$[\begin{matrix} 6 & 0 & 0 & 0 \\ 9 & - 8 & 0 & 0 \\ 0 & 1 & 2 & 0 \\ 6 & 8 & - 6 & 2 \end{matrix}]$

Coroware 2021-11-21

For which positive integers k is the following series convergent?
$\sum_{n = 1}^{\infty} \frac{n!}{{(k)}^{n}}$

Precalculus problems and solutions are hard to find online even though this topic is quite popular among college students majoring in Engineering. Keeping this fact in mind, we decided to provide you with a list of questions and answers that will help you with various precalculus problems. Regardless if it is related to equations or any other problem, these precalculus problems and composite functions examples and solutions below will help you see the logic and compare solutions as you check your original task.

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