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3 years ago

Which statement is true regarding the graphed functions?

Mathematics

2 answers:

PSYCHO15rus [73]3 years ago

5 0

Answer:

$f(0) = g(0)$

Step-by-step explanation:

From the graph, $f(x)$ and $g(x)$ are two linear function or straight line.

They intersect at $(0,-2)$ .

So point $(0,-2)$ is the solution to the system of linear equations.

Solution or point of intersection must satisfies the equations.

In both the case,

$f(0)=-2$ and $g(0)=-2$

Therefore, option 1 is the correct answer.

Marina86 [1]3 years ago

3 0

Answer: option first, f(0)=g(0) is true statement.

Explanation:

Since, According to the given graph, for the given function f(x), values of f(0)=-2 and f(-2)=4

While, for the given function g(x), values of g(0)=-2 and g(-2)=-4

So, we can say that f(0)=g(0)=-2

But, f(-2)≠g(-2), f(0)≠f(-2) and f(-2)≠g(0)

Thus, f(0)=g(0) is true.

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Assume that different groups of couples use the XSORT method of gender selection and each couple gives birth to one baby. The XS

olganol [36]

Answer:

Mean and Standard deviation for the numbers of girls in groups of 36 births are 18 and 3 respectively.

Step-by-step explanation:

We are given that he X SORT method is designed to increase the likelihood that a baby will be a girl, but assume that the method has no effect, so the probability of a girl is 0.5.

Now consider a group consisting of 36 couples.

The above situation can be represented through binomial distribution;

$P(X=r)=\binom{n}{r} \times p^{r} \times (1-p)^{n-r} ;x=0,1,2,3,.....$

where, n = number of trials (samples) taken = 36 couples

r = number of success

p = probability of success which in our question is probability

of a girl, i.e.; p = 0.5

Let X = Numbers of girls in groups of 36 births

So, X ~ Binom(n = 36, p = 0.5)

Now, mean for the numbers of girls in groups of 36 births is given by;

Mean, E(X) = $n \times p$ = $36 \times 0.5$ = 18

Also, standard deviation for the numbers of girls in groups of 36 births is given by;

Standard deviation, S.D.(X) = $\sqrt{n\times p\times (1-p)}$

= $\sqrt{36\times 0.5\times (1-0.5)}$

= 3

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3 years ago

I need help ASAP please

lawyer [7]

A. The slope is 3.75 because that’s how much the total cost is increasing by when a drink is being added
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C. y=3.75x+6.25

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3 years ago

Answer plz thanks !!!!!

svp [43]

Answer:

14 can u mark me brainliest pls

Step-by-step explanation:

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4 years ago

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