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ivann1987 [24]
1 year ago
9

Alissa is analyzing an exponential growth function that has been reflected across the y-axis. She states that the domain of the

reflected function will change because the input values will be the opposite sign from the reflected function. Simon disagrees with Alissa. He states that if an exponential function is reflected across the y-axis, the domain will still be all real numbers. Which student is correct and why?
A.Alissa is correct because the domain will change from negative to positive x-values.
B.Alissa is correct because a reflection across the y-axis will change the possible input values of the reflected function.
C.Simon is correct because even though the input values are opposite in the reflected function, any real number can be an input.
D.Neither student is correct.
Mathematics
2 answers:
storchak [24]1 year ago
6 0

i feel like u are going to delete this but if this helped please don't delete it the answer is, Simon is correct because even though the input values are opposite in the reflected function, any real number can be an input.

DanielleElmas [232]1 year ago
4 0

Answer:

C.Simon is correct because even though the input values are opposite in the reflected function, any real number can be an input.

Step-by-step explanation:

The domain of a function is all the values that can be put into the independant variable in order to value the dependant value, this basically means that the domain is all the values that you can give to the "x", and since you can put any value into the "x"the domain of that function is all the real numbers.

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expeople1 [14]

Answer:

$0

Step-by-step explanation:

The term 2/10, n/30 is a credit term and means the following:

2 is the discount percentage being offered by the seller.

10 indicates the number of days (from the invoice date) within which the buyer should pay the invoice in order to receive the stated discount.

n/30 states that if the buyer does not pay the (full) invoice amount within the 10 days to qualify for the discount, then the net amount is due within 30 days after the sales invoice date.

Tile Magic Corp. purchased 100 tile cutters with a list price of $20 each on August 5, 2016.

Tile Magic Corp. paid the invoice on August 31, 2016. which is 26 days after the Invoice was issued.

Per the terms of agreement, the discount is only taken into consideration when the invoice is paid within 10 days of its issuance.

Therefore Tile Magic Corp. will receive no discount from Floors Inc.

6 0
1 year ago
El caño de una fuente está inclinado 60° sobre la horizontal. Si el agua sale del caño con una velocidad inicial de 10 m/s: a) ¿
jeka94

Answer:

A) Parabola; B) 3.83 m; C) 8.84 m; D) 10 m/s

Step-by-step explanation:

A) Shape of water jet

The water jet has the shape of a parabola.

B) Maximum height

Data:

θ = 60°

u = 10 m/s

a = 9.8 m·s⁻²

Calculations:

1. Calculate the horizontal and vertical components of the velocity

u_{\text{h}} = u \cos \theta = \text{10 m/s} \times \cos 60 ^{\circ} = \text{10 m/s} \times 0.5 = \text{5 m/s}\\u_{\text{v}} = u \sin \theta = \text{10 m/s} \times \sin 60 ^{\circ} = \text{10 m/s} \times 0.866 = \text{8.66 m/s}

2. Maximum height

H = \dfrac{(u_{\text{v}})^{2}}{2a} = \dfrac{8.66^{2}}{2\times 9.8} =\textbf{3.83 m}

C) Range

1. Calculate the time of flight

Use the vertical component of velocity to calculate the time to the maximum height of the stream.

u_{\text{v}} = at\\t = \dfrac{ u_{\text{v}}}{a} = \dfrac{\text{8.66 m$\cdot$s}^{-1}}{\text{9.8 m$\cdot$s}^{-2}}= \text{0.884 s}

It will take the same time to reach the ground.

Thus,

Time of flight = 2t = 2 × 0.884 s  = 1.77 s

2. Calculate the horizontal distance

s = vt = 5 m·s⁻¹ × 1.77 s = 8.84 m  

You should place the drain 8.84 m from the pipe.}

D) Modulus of velocity

The stream of water will hit the drain with the same velocity as when it left the pipe.

Thus, the modulus of the velocity is 10 m/s.

The graph below shows the trajectory of the water stream.

6 0
1 year ago
Assume that the Poisson distribution applies and that the mean number of hurricanes in a certain area is 6.7 per year. a. Find t
igor_vitrenko [27]

Answer:

a) 10.34% probability​ that, in a​ year, there will be 4 hurricanes.

b) 3.62 years are expected to have 4 ​hurricanes

c) Either 3 or 4 hurricanes(discrete number) are close to the mean of 3.62, which means that the Poisson distribution works well in this case.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

6.7 per year.

This means that \mu = 6.7

a. Find the probability​ that, in a​ year, there will be 4 hurricanes.

This is P(X = 4).

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 4) = \frac{e^{-6.7}*(6.7)^{4}}{(4)!} = 0.1034

10.34% probability​ that, in a​ year, there will be 4 hurricanes.

b. In a 35​-year ​period, how many years are expected to have 4 ​hurricanes?

Each year, 0.1034 probability of 10 hurricanes.

In 35 years

35*0.1034 = 3.62

3.62 years are expected to have 4 ​hurricanes

c. How does the result from part​ (b) compare to a recent period of 35 years in which 3 years had 4 ​hurricanes? Does the Poisson distribution work well​ here?

Either 3 or 4 hurricanes(discrete number) are close to the mean of 3.62, which means that the Poisson distribution works well in this case.

6 0
2 years ago
The length of the 2 black rods is equal to that of the 3 grey rods. The length of the white rod is equal to the total length of
Tpy6a [65]

Answer:

Its C!

Step-by-step explanation:

hmu if you need anything els

3 0
1 year ago
Consider the table representing a rational function. Which equation could represent a vertical asymptote of the graph of the fun
AleksAgata [21]

Answer:

<h2>x = -1</h2>

Step-by-step explanation:

According to the given table, we see that for <em>x = -1</em>, the function is not defined, that means that the rational function has a restriction there, and such restriction is shown as an asymptote in the graph of the function.

So, basically, we could say that the given rational function has one asymptote and it's at x = -1, which is a vertical asymptote, because all forms like x = k, are vertical lines, that is, they are parallel to the vertical axis.

Therefore, the right answer is the third choice.

7 0
2 years ago
Read 2 more answers
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