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lys-0071 [83]
3 years ago
11

the function f(x)=40x-80 models the number of visitors a website received x days after it was created. Which is the most appropr

iate domain for function?
Mathematics
1 answer:
goblinko [34]3 years ago
8 0
Hello there!

When finding the domain of a function, the only things you need to watch for are...
1. Variables under even radical signs
2. Variables in the dominator of fractions
3. Logarithms

Since this function is linear, there is nothing that would stop any real number from being part of the domain.

This means that the domain is all real numbers. (-∞,∞)

I hope this helps!
Best wishes:)
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Please help, I'm really desperate here
weqwewe [10]

Answer:

If ur desperate

Step-by-step explanation:

You should ask people to help you, like me.

8 0
3 years ago
Phil gets a commission of 25% on all sales. He sold $1,500.00 worth of goods. What was the amount of his commission check?
Doss [256]

Answer:

the answer is 375.00 please leave a thanks id love that

6 0
3 years ago
Is the following relation a function? (4,2), (1,1), (0,0), (1, -1), (4, -2). Give the domain and range.
Vlada [557]
(x,y)
to be  a function
for every x, ther must be only 1 y to corespond to it
basically, x must NEVER repeat with a different y
list them

ah, we see (1,1) an d(1,-1)
also (4,2) and (4,-2)
double offense
1 repeats with 1 and -1
4 repeats with 2 and -2

not a function

domain is all x values
range is all y values
if they repeat, don't list them

domain=(0,1,4)
range=(-2,-1,0,1,2)
8 0
4 years ago
I AM SO COMFUSED f- 1.8 = 11.2
balandron [24]

Answer:

Your answer for F will be 13.

Step-by-step explanation:

Take 11.2 and add it to 1.8, and you will get 13 and 13 will be the variable (f). So, f (13) - 1.8 = 11.2

Hope this helps! :D

3 0
3 years ago
A DVD has a diameter of 26 centimeters. What is the area of the DVD? Round your answer to the nearest hundredth. Use 3.14 for π.
Alinara [238K]

Answer:

A =530.66 cm^2

Step-by-step explanation:

A DVD is a circle so we can use the formula for area of a circle

A = pi r^2

We can find the radius from

r = d/2  where d is the diameter

r = 26/2

r = 13

A = pi *13^2

A = pi *169

Substituting in for pi

A = (3.14) * 169

A =530.66

7 0
3 years ago
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