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prohojiy [21]
3 years ago
7

Which relation is a function?

Mathematics
2 answers:
andrey2020 [161]3 years ago
7 0

Answer:

the one that looks like a V

1. take a ruler

2.move it across the graph

3.see if it crosses twice

ex:if it is a straight line than it wont work if it is like a V shape it will work

padilas [110]3 years ago
6 0

Answer:

The bottom one on the right is a function.

Step-by-step explanation:

Its the bottom one on the right because it is the only one which passes the vertical line test for a function.

This test states that if we draw any vertical line through the graph and it only passes through the graph at one point only then the graph is a function.

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Suppose that the probability that a child living in an urban area in the United States is obese is 20%. If a social worker sees
Levart [38]

Answer:

The probability the event that none of them are obese is 0.0352.

Step-by-step explanation:

<h3>Binomial distribution:</h3>

A discrete random variable X having to the set {0,1,2,3....,n} as the spectrum, is said to have binomial distribution with parameters n= the number of trial, and p= probability of successes on an individual trial , if the p.m.f of X is given by,

P(X=x)=\left(\begin{array}{c}n\\x\end{array}\right) p^x(1-p)^{n-x} for x=0,1,2,...,n

                =0                               elsewhere.

where 0<p<1 and  n an positive integer,

Given that,

The probability of the event that a child living in an urban area in the united state is obese is 20%.

n=Number of children = 15, p= 20%= 0.20.

The probability the event that none of them are obese is

=P(X=0)

=\left(\begin{array}{c}15\\0\end{array}\right) (0.20)^0(1-0.20)^{15-0}

=0.0352

7 0
3 years ago
Input x=?<br>equation <br><img src="https://tex.z-dn.net/?f=%20f%28x%29%5Csqrt%7B2x%20-%206%7D" id="TexFormula1" title=" f(x)\sq
Flura [38]

Answer:

f(10)=sqrt(14)

Step-by-step explanation:

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f(10)= sqrt(20-6)

f(10)=sqrt(14) - simplest form, no way to factor it.

6 0
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cestrela7 [59]

Answer:

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Step-by-step explanation:

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djyliett [7]
Y = ax² + bx + c is the equation of a parabola:
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2 years ago
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strojnjashka [21]
The answer is D. y=2x^2
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