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3 years ago

What transformations produce the graph of g(x)=- | 3x | from the graph of the parent function f(x)=|x| Select all that apply

Mathematics

1 answer:

pychu [463]3 years ago

7 0

Answer:

This is a compression by a factor of 3 in the x direction

(horizontal compression by factor of 3)

This reflects it about the x axis

Step-by-step explanation:

f(x)=|x|

h(x) = |3x|

This is a compression by a factor of 3 in the x direction

g(x) =-|3x|

This reflects it about the x axis

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Suppose a tub has the shape of an elliptical paraboloid given by z = ax2+by2 (where a, b are some positive constants). If a marb

Umnica [9.8K]

Answer:

It would roll in this direction.

$\nu = (-a/\sqrt{a^2+b^2},-b/\sqrt{a^2+b^2})$

Step-by-step explanation:

It would roll to the direction of maximum decrease, which is the -1 times the direction of maximum increase, which is given by the gradient of the function.

Since

$z = ax^2 + by^2$

For this case, the gradient of your function would be

$\nabla z = (2ax , 2by)$

And -1 times the gradient of your function would be

$-\nabla z = (-2ax , -2by)\\$

Then, at

$(1,1,a+b),\\x = 1 \\y = 1$

So it would go towards

$v = (-2a,-2b)$

The magnitud of that vector is

$|v| = 2\sqrt{a^2+b^2}$

and to conclude it would roll in this direction.

$\nu = (-a/\sqrt{a^2+b^2},-b/\sqrt{a^2+b^2})$

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3 years ago

The rule is applied to ΔABC. On a coordinate plane, 5 triangles are shown. Triangle A B C has points (2, negative 4), (4, negati

vfiekz [6]

Answer:

Consider triangle ABC with vertices at points A(2,-4), B(4,-4) and C(4,-2).

1. The rotation acts with the rule:

Then:

2. The reflection across the y-axis has a rule:

So,

Triangle A''B''C'' is exactly the same as tiangle from figure 1.

Answer: correct choice is 1.

PLZ brainliest answer

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

I WILL GIVE BRAINLIEST

MrRissso [65]

5 goes with total numbers in the ride

k goes with number of kilometers he has already biked

5-k goes with numbers of kilometers left

and then proces of elimination leaves you with 4 and the last one

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3 years ago

Read 2 more answers

1/4 as a fraction and a decimal

storchak [24]

Answer: 1/4 fraction .25 decimal

Hope this helps :)

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3 years ago

What is the y intercept of the following equation -5y-3x=10 <br> It has to look something like this

dybincka [34]

Answer:

-2

Step-by-step explanation:

First, let's put this in slope-intercept form:

-5y-3x=10

5y = -3x - 10

y = (-3/5)x - 2

The y-intercept is -2.

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3 years ago