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3 years ago

Which table of values could be used to graph g(x), a reflection of f(x) across the x-axis?

2 answers:

5 0

Reflecting a function across the x-axis means to change the sign of the function itself: you're mapping $f(x)\mapsto -f(x)$

So, if you have a x/y values table, you simply have to change sign to all the values in the y column.

lana [24]3 years ago

4 0

Answer:

option b

Step-by-step explanation:

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ABC with altitude \overline{BD}

just olya [345]

The length of $\overline{AC}$ is given by the relationship between the similar triangles

ΔABD and ΔBDC.

$\overline{AC}$ = <u>80</u>

Reasons:

The given parameters are;

The altitude of triangle ΔABD = $\overline {BD}$

The hypotenuse of formed right triangle = $\overline {AC}$

The length of AD = 8

Length of BD = 24

Whereby ΔABD is a right triangle

We have;

ΔABD is similar to ΔBDC

Therefore, by similar triangle proportional sides relationship, we have;

$\displaystyle \frac{\overline{AD}}{\overline{BD}} = \mathbf{ \frac{\overline{BD}}{\overline{DC}}}$

Which gives;

$\overline{BD}^2$ = $\mathbf{\overline{DC} \times \overline{AD}}$

Therefore;

$\displaystyle \overline{DC} = \mathbf{\frac{\overline{BD}^2}{\overline {AD}}}$

$\displaystyle \overline{DC} = \frac{24^2}{8} = \mathbf{72}$

$\overline{AC} = \overline{DC} + \overline{AD}$

Which gives;

$\overline{AC} = 72 + 8 =\mathbf{ 80}$

Learn more about similar triangles here:

brainly.com/question/4618367

8 0

2 years ago

How do you graph y = 5

Anarel [89]

Answer:

start at the origin (0,0) then move up 5 (Don't count the origin as the first move up). Now your point is (0,5)

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Given f(x) = √(x-3) , what is the positive value of f(12)?

Shalnov [3]

Answer:

Step-by-step explanation:

Given

f(x) = $\sqrt{(x-3)}$ , then

f(12) = $\sqrt{12-3}$ = $\sqrt{9}$ = ± 3

There are 2 values 3 and - 3

The positive value of f(12) is + 3

6 0

3 years ago

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julia-pushkina [17]

The correct awnser is a or c i hope i helped

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3 years ago

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Dmitry [639]

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