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Algebra II

We need to solve this equation:
$x^{4} - x^{3} + 4 x^{2} - 16 x - 192 = 0$

Joni Kenny 2020-12-13

Determine the algebraic modeling How much money will there be in an account at the end of 7 years if $2000 is deposited at $4 %$ interest compounded serni-annually?

Emily-Jane Bray 2020-12-12

Tell whether the function represents exponential growth or exponential decay. Then graph the function. $f (x) = (1.5)^{x}$

amanf 2020-12-12

Is the sequence $- 2, - 1, - \frac{1}{2}, - \frac{1}{4}, \dots$ geometric? If so find the common ratio. If not, explain why

nitraiddQ 2020-12-12

To calculate: The expression is $\sqrt{3} {m^{3} + n^{3}}$ where the variable represents positive real numbers.

tabita57i 2020-12-12

Find an LU factorization of the matrix A (with L unit lower triangular).
$A = [\begin{array}{ccc} - 4 & 0 & 4 \\ 12 & 2 & - 9 \\ 12 & 8 & 9 \end{array}]$
L-?
U-?

Lipossig 2020-12-09

When to stop dividing in the long division of polynomials.

a2linetagadaW 2020-12-09

The area A of the region S that lies under the graph of the continuous function is the limit of the sum of the areas of approximating rectangles. $A = lim n \to \infty R n = lim n \to \infty [f (x_{1}) Δ x + f (x_{2}) Δ x + . . . + f (x n) Δ x]$ Use this definition to find an expression for the area under the graph of f as a limit. Do not evaluate the limit. $f (x) = 7 x \cos (7 x), 0 \leq x \leq π 2$

Tazmin Horton 2020-12-09

Determine whether the following state-ments are true and give an explanation or counterexample.
a) All polynomials are rational functions, but not all rational functions are polynomials.
b) If f is a linear polynomial, then $f \times f$ is a quadratic polynomial.
c) If f and g are polynomials, then the degrees of $f \times g$ and $g \times f$ are equal.
d) To graph $g (x) = f (x + 2)$ , shift the graph of f 2 units to the right.

Cheyanne Leigh 2020-12-09

Solve the system of equations.
3(x-y)=y-3
$- 2 x + \frac{y}{2} = - 11$

Dolly Robinson 2020-12-09

Investigate for consistency of the following equations and if possible then find the solutions:
2x-3y+7z=5
3x+y-3z=13
2x+19y-47z=32

Dottie Parra 2020-12-07

Suppose the retail of an automobile is $33,000 in 1999 and that it increases at 6% per year.
a. Write the equation of the exponential function, in the form $y = a {(1 + r)}^{t}$ , that models the retail prrice of the automobile in 2014.
b. Use the model to predict the retail price of the automobile in 2014.

preprekomW 2020-12-06

An object moves in simple harmonic motion with period 5 seconds and amplitude 7 cm. At time $t = 0$ seconds, its displacement d from rest is -7 cm, and initially it moves in a positive direction.
Give the equation modeling the displacement d as a function of time t.

Tolnaio 2020-12-06

The parabola shown is the graph of $f (x) = A x^{2} + 2 x + C .$
The x-intercepts of the graph are at $- 4 a n d - 3.$ Find the exact value of the y-intercept and the coordinates of the vertex of the graph (expressed in terms of rational numbers and radicals).

illusiia 2020-12-06

For each polynomial function, one zero is given. Find all rational zeros and factor the polynomial. Then graph the function. $f (x) = 3 x^{3} + x^{2} - 10 x - 8$ , zero:2

Yulia 2020-12-06

Use the logarithmic differentiation of the following. $f (x) = x^{x}$

Alyce Wilkinson 2020-12-05

Is the ordered pair
(x, y) = (−9, 2)
a solution to the given system of equations?
2x+5y=−8
x−y=−11
Yes or No?

Tazmin Horton 2020-12-05

Solve the equations
x+ y = 35
x - y = 13

Maiclubk 2020-12-05

b. Let $f (x) = \frac{e^{x} - e^{- x}}{x}$ .
Use three-digit rounding arithmetic to evaluate f(0.1).

Suman Cole 2020-12-05

Solve. Factor each expression.
a. $x^{3} + 216$

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