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2 years ago

Please help! The graph of the quadratic function f(x) is shown below. What is the domain of f(x)?

Mathematics

1 answer:

jasenka [17]2 years ago

7 0

no restricted values of x

$x \:∈ \: ℝ$

<h3>All real numbers</h3>

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Find the characteristic polynomial of the matrix a=[−83−310].

rosijanka [135]

Assuming the matrix is

$\mathbf A=\begin{bmatrix}-8&3\\-3&10\end{bmatrix}$

we have characteristic polynomial given by the equation

$\det(\mathbf A-\lambda \mathbf I)=0\iff\begin{vmatrix}-8-\lambda&3\\-3&10-\lambda\end{vmatrix}=0$
$(-8-\lambda)(10-\lambda)-(-9)=0$
$\lambda^2-2\lambda-71=0$

5 0

4 years ago

If the parent function f(x)=\root(3)(x) is transformed to g(x)=\root(3)(x+2-4), which is the graph of g(x)?

Arisa [49]

ANSWER

EXPLANATION

The parent function is

$f(x) = \sqrt[3]{x}$

This function is transformed to obtain

$g(x) = \sqrt[3]{x + 2} - 4$

The +2 is a horizontal translation, that shifts the graph of the parent function to the left by 2 units.

The -4 is a vertical translation, that shifts the graph of the parent function down by 4 units.

The correct option is A.

3 0

4 years ago

Read 2 more answers

PLEASE HELP ME OUT I NEED IT !!

lisov135 [29]

Answer:

(1/2 ,3) or (0.5, 3) is the same

Step-by-step explanation:

The midpoint between (3,5) and (-2,1) would be:

Apply the formula:

x1+x2 / 2 , y1 + y2 / 2

= 3 + (-2) / 2, 5 + 1 /2

= 1/2, 6/2

= 1/2 ,3 or 0.5, 3 is the same

Hope this helped :3

4 0

4 years ago

Help please!!<br><br>x/2=x+6/4

Goshia [24]

Answer:

-4 I think

Step-by-step explanation:

7 0

3 years ago

How do I find the measure of angle 1 and angle 2 ?

aev [14]

You could try dividing like example 54° ÷3

4 0

3 years ago