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Brums [2.3K]
3 years ago
7

Corespondenta dintre numele si prenumele oamenilor defineste o functie ? justificati

Mathematics
1 answer:
Komok [63]3 years ago
8 0
Correspondence between name and family name defines a function? Justify.

A function is a specific type of relation in which each input value has one and only one output value . An input is the independent value, and the output value is the dependent value because it depends on the value of the input.

Correspondence between a name and a family name does not define a function.

Because there can be many output in a single input.

For example:
Input                          Output
Name                        Family Name
Jennifer                     Lopez
                                   Lawrence
                                   Hudson  == as you can see, there are many outputs                                                          in a single input. It is not a function.

Input                        Output
Family Name          Name
Obama                    Barack
                                  Michelle
                                 Malia  = not a function, single input, numerous output

An example of a function is:

Name of President            Name of Country
Barack Obama                      USA        

- only one country corresponds to that name of the president.

However, if we interchange it. It will not be a function because there are a lot of names of presidents in the country USA.
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In February, Campus Cycle Repair had income from sales of $16,000. Expenses for the month included: rent, $1,250; utilities, $45
djyliett [7]

Answer:

Profit $5700

Step-by-step explanation:

To find loss/profit you subtract the expenses from the total income

Income from sales= $16000

Franchise fee= 5% of sales income

=\frac{5}{100} *16000=800

Rent=$1250

Utilities=$450

Wages=$4800

insurance=$300

supplies=$2700

Total expenses

=$1250+$450+$4800+$300+$2700+$800=$10300

Total income

=$16000

Profit

=$16000-$10300=$5700

5 0
3 years ago
The Mississippi River flows at a rate of 2 miles per hour. If Eduardo floats
madam [21]

Answer:

11 1/3 miles

Step-by-step explanation:

5 0
3 years ago
If f(3)=5 and f(4)=8 what does f(5)= and f(6)=
Novosadov [1.4K]

They will equal 11 and 14 it moves up by 3... Did you know that when you walk you move................................MIND-BLOWN

4 0
3 years ago
Assume the rate of inflation is 5​% per year for the next 2 years. What will be the cost of goods 2 years from​ now, adjusted fo
kirza4 [7]
The equation for inflation is
A = P*(1+r)^t
which is an exponential growth equation (if r > 0). If r < 0, then we have deflation.

where...
A = final price after t years
P = initial starting price
r = rate of inflation in decimal form 
t = number of years

In this case, 
A = unknown (we're solving for this)
P = 280 is the starting price
r = 0.05 is the decimal form of 5%
t = 2 years

We will plug these three pieces of info into the formula to get...
A = P*(1+r)^t
A = 280*(1+0.05)^2
A = 280*(1.05)^2
A = 280*(1.1025)
A = 308.70

Answer: 308.70 dollars
7 0
3 years ago
What is the inverse of y=2x squared -4
Bumek [7]
y=2x^2-4\ \ \ |+4\\\\2x^2=y+4\ \ \ |:2\\\\x^2=\dfrac{y+4}{2}\\\\x=\sqrt{\dfrac{y+4}{2}}

y^{-1}=\sqrt{\dfrac{x+4}{2}}=\dfrac{\sqrt{x+4}}{\sqrt2}=\dfrac{\sqrt{2(x+4)}}{2}=\dfrac{\sqrt{2x+8}}{2}
6 0
2 years ago
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