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KatRina [158]
2 years ago
13

URGENT PLEASE DUE TONIGHT ;(( functions

Mathematics
1 answer:
Montano1993 [528]2 years ago
5 0

The value of (f/g)(-1) is 0, value of (g . f) (2) is  -3√3, the value of (g - f)(-1)  is √15, and the value of (g + f) (2) is √3 - 3

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have two functions:

f(x) = 1 - x²

g(x) = √(11 - 4x)

f(-1) = 0

g(-1) = √15

f(2) = -3

g(2) = √3

(f/g)(-1) = f(-1)/g(-1) = 0/√15  = 0

(g . f) (2) = g(2)f(2) = (√3)(-3) = -3√3

(g - f)(-1) = g(-1) - f(-1) = √15 - 0 = √15

(g + f) (2) = g(2) + f(2) = √3 + (-3) = √3 - 3

Thus, the value of (f/g)(-1) is 0, value of (g . f) (2) is  -3√3, the value of (g - f)(-1)  is √15, and the value of (g + f) (2) is √3 - 3

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

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bonufazy [111]

Answer:

No association .

Step-by-step explanation:

Given : A scatter plot is made with the data shown below: Number of Waiters at a Restaurant 5 6 7 8 9 10 11 12 13 Customer Service Rating 4 2 10 7 1 2 8 9 5

To find : What type of association will the scatter plot for these data represent between the number of waiters at a restaurant and its customer service rating.

Solution : We have given :

Number of Waiters at a Restaurant =  5 6 7 8 9 10 11 12 13

Customer Service Rating  = 4 2 10 7 1 2 8 9 5 .

Here x coordinates are 5 6 7 8 9 10 11 12 13

y coordinates  are 4 2 10 7 1 2 8 9 5 .

(5,4) (6,2) (7,10 )(8,7) (9,1)(10,2)(11, 8) (12, 9) (13, 5)

We can see there is no pattern between x and y coordinates .

Therefore, No association .

6 0
4 years ago
Read 2 more answers
Joey participated in a standardized reading test. He scored in the middle of the third stanine in a normal distribution. All of
GarryVolchara [31]

Answer:

b. His t-score is 40.

Step-by-step explanation:

The middle of the third stanine in a normal distribution means that the standard of nine that is applied has the middle of the third count.

It means that if we divide the normal distribution with the standard of nine we will find the score to be  the middle of the  third division.

So it will be (1/3*9=3) more than 3.

Which in normal distribution will be more than 30.

The t distribution is approximately normal when the number of degrees of freedom is greater than 30 .

So the best answer is that <u>His t-score is 40 </u>  ( choice b).

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3 years ago
Write a real-world problem to compare fractions.then solve the problem
andrew11 [14]

The fraction computed shows that the total quantity of meat that Joy bought is 5/6kg.

<h3>How to solve the fraction?</h3>

The fraction can be explained thus: Joy bought 1/2kg of meat from a store and bought 1/3kg of meat from store B. What is the total quantity of meat that Joy bought?

The total quantity of meat that Joy bought will be:

= 1/2 + 1/3

= 5/6

In conclusion, the correct option is 5/6kg.

Learn more about fractions on:

brainly.com/question/78672

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Joyce had business cards made through a printing company. They charge an initial fee of $12 and $3.99 for each box of 100 busine
saw5 [17]

Answer:

$31.95

Step-by-step explanation:

The total cost is the initial fee plus the cost of the boxes.

12 + 5×3.99 = 31.95

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3 years ago
How do you graph f(x)=-3x^2+5
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Make sure you plot your points in a table and set it up on a graph

Step-by-step explanation:

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