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VLD [36.1K]
2 years ago
12

Let

> be the reflection of f(x)=3x+3 in the x-axis. What is the function rule for h(x)?
Please explain. I really need to understand. Thanks!

Mathematics
1 answer:
allsm [11]2 years ago
4 0

Answer:

  h(x) = -3x-3

Step-by-step explanation:

Reflection in the x-axis means every y-coordinate on the graph is replaced by its opposite. For example, instead of going up 3 units to plot the point, you go down 3 units to plot the reflected point.

The y-value is negated by multiplying the function value by -1.

  h(x) = (-1)·f(x) = (-1)(3x +3)

  h(x) = -3x -3

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Answer:

b

Step-by-step explanation:

3 0
3 years ago
A recent survey reported that small businesses spend 24 hours a week marketing their business. A local chamber of commerce claim
kakasveta [241]

Answer:

Following are the responses to the given choices:

Step-by-step explanation:

In step 1:

State the zero and alternate test hypotheses. Insert underneath.

H_0 : \mu = 24: H_a : \mu < 24

H_0 Smaller companies in their region are and they spend at least 24 hours per week on the marketing of the these companies

H_1 There really is no growth for smaller firms in their area because the companies spend or less 24 hours per week on marketing.

In step 2:

Each test statistics meaning is calculated. Around two decimal places for your reply.

z=\frac{\bar{X}-\mu_{0}}{\frac{\sigma}{\sqrt{n}}}=\frac{23.2-24}{\frac{4.2}{\sqrt{88}}}=-1.787

In step 3:

Draw a start and write the decision.

Since it is observed that z=-1.787 < z_c=-1.64 it is then concluded that the null hypothesis is rejected.

Consequently we consider that small companies in their field may not expand, as they spend or less 24 hours per week on marketing.

5 0
2 years ago
Tim is playing a game on his computer. He missed the first 12 questions, and each question is worth 6 points. If his starting sc
Aleksandr-060686 [28]

Answer:

Total Tim's score = 0 points

Step-by-step explanation:

Given:

Total number of question missed = 12

Each correct question mark = 6 points

Find:

Total Tim's score

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Total Tim's score = Total correct question x Each correct question mark

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3 years ago
Pls help ASAP! GIVING 100 POINTS FOR THE RIGHT ANSWERR!
marta [7]

Answer:

Cylinder

(with radius of 4 units and height of 4 units)

Step-by-step explanation:

First, determine the shape of the 2D figure.

Point B is above point A, and point C is above point D.

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Points A and B both have an x-value of zero.

Points C and D both have an x-value of 4.

Therefore, the width of the shape is 4 units

Points A and D have an y-value of zero.

Points B and C have an y-values of 4.

Therefore, the height of the shape is 4 units.

Therefore, the shape of the 2d figure is a square with side length of 4 unit.  (See first attached image).

If the square is rotated above the y-axis, it creates a cylinder with a radius of 4 units and a height of 4 units. (See second attached image).

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1 year ago
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Answer:

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Step-by-step explanation:

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3 years ago
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