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topjm [15]
3 years ago
13

PLEASE HELP!!! WHICH OF THE FOLLOWING FUNCTIONS IS GRAPHED BELOW?

Mathematics
1 answer:
SashulF [63]3 years ago
7 0

Answer: D.

Step-by-step explanation:

For an absolute value function, the vertex of f(x) = |x+h| + k is defined as the point (-h, k) for the coordinate (x, y).

When x is equal to negative h, the value for x and value for h effectively cancel out, and only the positive k remains, hence the vertex being (-h, k).

The function given has a vertex at (2, 3). We know that the vertex of an absolute function is (-h, k), so h must equal -2 and k must equal 3.

The equation:

f(x) = |x-2| + 3

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Baseball's division series is a best of five game series. That is, the first team to win 3 games is the winner. Team A and team
iris [78.8K]

Answer:

1. 27.46% probability that A wins the series in 3 games.

2. There is a 28.84% probability A wins the series in 4 games.

3. There is a 20.18% probability A wins the series in 5 games.

4. There is a 76.48% probability A wins the series.

5. There is a 71.825% probability A wins the series if a "best-of-three" game series is played.

Step-by-step explanation:

For each game, there are these following probabilities:

A 65% probability team A wins.

A 35% probability team B wins.

The combination formula is important to solve this problem:

This is because for example, team A winning games 1,2 and 4 and team B winning game 3 is the same as team A winning games 1,3,4 and team B winning game 2. That is, the order is not important.

C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

1. What the probability that A wins the series in 3 games?

This is team A winning all 3 games. For each game, there is a 65% probability that team A wins. So

P = (0.65)^{3} = 0.2746

There is a 27.46% probability that A wins the series in 3 games.

2. What is the probability A wins the series in 4 games?

This is the team A winning three games and the team B 1. The team B win cannot happen in the fourth game, so the number of possibilities is a combination of 3 by 2. So

C_{3,2} = \frac{3!}{2!1!} = 3

The probability that team A wins the series in 4 games is:

P = 3*(0.65)^{3}*(0.35) = 0.2884

There is a 28.84% probability A wins the series in 4 games.

3.What is the probability A wins the series in 5 games?

This is the team A winning three games and the team B 2. The team B second win cannot happen in the fifth game, so the number of possibilities is a combination of 4 by 2. So

C_{4,2} = \frac{3!}{2!1!} = 6

The probability that team A wins the series in 5 games is:

P = 6*(0.65)^{3}*(0.35)^{2} = 0.2018

There is a 20.18% probability A wins the series in 5 games.

4. What is the probability A wins the series (period)?

They can win the series in 3,4 or 5 games. So this is the sum of the answers for 1,2,3.

So

P = 0.2746 + 0.2884 + 0.2018 = 0.7648

There is a 76.48% probability A wins the series.

5. What is the probability A wins the series if a "best-of-three" game series is played?

These three following outcomes are accepted:

A - A

A - B - A

B - A - A

So

P = (0.65)^{2} + 2*(0.65)^{2}*(0.35) = 0.71825

There is a 71.825% probability A wins the series if a "best-of-three" game series is played.

3 0
3 years ago
ANSWER ASAP DONT SEND A FILE. WHAT IS TRANSFORMATION SHOWN?
Luba_88 [7]

Answer:the answer Is the second option

Step-by-step explanation:

It is reflected across the it is rotated

5 0
3 years ago
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What is the volume of a cube if the length measures 2 cm?
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Answer:

=L*b*h

length,berth,highte

=2*2*2

=8cm^3

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What is the focus of the following graph?
diamong [38]

Answer:

F(1,5)

Step-by-step explanation:

This is a vertical parabola.

The vertex is at (1,4).

The directrix is y=3.

The distance from the vertex to the directrix is p=1

The focus is (1,4+p), which is (1,4+1)

Therefore the focus is (1,5)

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A percent is a way of a expressing a part out of 100. Remember learning about ratios and how they compare quantities? A part-to-
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Answer:A

Step-by-step explanation:

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