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vitfil [10]
3 years ago
14

Find f(x) and g(x) so that the function can be described as y = f(g(x)). y = 3/ square root of 3x + 4

Mathematics
2 answers:
Natali [406]3 years ago
6 0

Answer:

g(x) = 3x + 4

and f(x) = \frac{3}{\sqrt{x}}

Step-by-step explanation:

The function y=\frac{3}{\sqrt{3x+4}}

has two possible f(x) and g(x).

If g(x) = 3x + 4

and f(x) = \frac{3}{\sqrt{x}}

OR, If g(x) = \sqrt{3x+4}}

and f(x) = \frac{3}{x}.

Further, f(g(x)) is the symbol of composition.

Elis [28]3 years ago
3 0
Well, your equation y=3/SQRT(3x+4) should be rationalized, but that's not what you want.

If f(x) = 3/SQRT(x+4) and g(x) = 3x

f(g(x)) then = 3/SQRT(3x+4), but rationalizing this = 3SQRT(3x+4)/(3x+4)

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padilas [110]
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8 0
3 years ago
Saira is using the formula for the area of a circle to determine the value of LaTeX: \piπ. She is using the expression LaTeX: Ar
lord [1]

Given:

Area of a circle, A=50.265 sq. units.

Radius of circle, r = 4 units.

To find:

The value of π to the nearest thousandth.

Solution:

Formula for area of a circle is

A=\pi r^2

\dfrac{A}{r^2}=\pi

Ar^{-2}=\pi

Now, using Ar^{-2} expression, we can find the value of π.

\pi=50.265904(4)^{-2}

\pi=\dfrac{50.265904}{4^2}

\pi=\dfrac{50.265904}{16}

\pi=3.141619

Approximate the value to the nearest thousandth (three digits after decimal).

\pi\approx 3.142

Therefore, the approximated value of π is 3.142.

8 0
3 years ago
1. What does it mean that Nikoleta is in the 10th percentile for length and weight? Is that a desirable statistic if she was in
VladimirAG [237]

Explanation:

1. It means that Nikoleta is longer and heavier than 10% of children her age.

2. We generally expect that a change from being in the 50th percentile to the 10th percentile signifies a condition that is interfering with normal growth. That is not usually considered desirable.

5 0
3 years ago
Read 2 more answers
Can anybody please answer question 6
rewona [7]

Answer:

2 to 12

Step-by-step explanation:

its not that hard

7 0
3 years ago
Help me fast plz anybody
charle [14.2K]
1) Unknown info = amount of potting soil he bought last week
2). 28=2x+4
Where x=amount of potting soil he bought last week
3). 28=2x+4
-4 -4
---------------------
24=2x
/2 /2
----------------------
X=12

4) Emmanuel bought 12 lbs of potting soil last week
8 0
3 years ago
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