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lina2011 [118]
3 years ago
13

State the domain and range of the function f(x) =2[[x]]

Mathematics
2 answers:
Kobotan [32]3 years ago
7 0

Answer:

A.

Step-by-step explanation:

It's all down the the double parentheses. They mean 'round down to the nearest integer'. Also because of the 2 the integer will be even.

Sidana [21]3 years ago
3 0

Answer:

A real Even integers

Step-by-step explanation:

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I need to figure out how many solutions does the system of equations below have.
Aleonysh [2.5K]

Answer:

The system has one solution.

Step-by-step explanation:

To find the number of solutions of the system, we equal both equations for y.

If we have ax = b, in which both a and b are different of 0, we have one solution.

If both a and b are 0, we have infinite solutions.

If a is 0 and b is not, there are no solutions.

y=6/7x-8 and y=7/9x+10/9

So

\frac{6x}{7} - 8 = \frac{7x}{9} + \frac{10}{9}

\frac{6x}{7} - \frac{7x}{9} = \frac{10}{9} + 8

\frac{54x - 49x}{63} = \frac{10}{9} + \frac{72}{9}

\frac{5x}{63} = \frac{82}{9}

45x = 63*82

Both a and b are different of 0, so the system has one solution.

6 0
2 years ago
Consider the following two loans for P=$12,000.
n200080 [17]

Answer:

Simple interest-?

Step-by-step explanation:

P= 12000

T=5yrs

R=5%

Now,

Simple interest - PTR/100

= 12000*5*5/100

= $3000

Again,

P=12000

T=3yrs

R=8%

Now,

Simple interest - PTR/100

= 12000*3*8/100

= $2880

Hope this helps.

4 0
2 years ago
If f(x) = x^2 +1, and g(x) = x - 2, find [fºg)(x).<br> PLEASE HELP
dem82 [27]

Answer:

A.

Step-by-step explanation:

8 0
2 years ago
PLEASE HELP!!!! I HAVE TO SUBMIT THIS IN AND I DONT KNOW!!
masya89 [10]

Answer:

your answer is clearly luke skywalker banana toungue

Step-by-step explanation:

because i felt like it

8 0
3 years ago
HELP!
PSYCHO15rus [73]

Answer:

74676.

Step-by-step explanation:

Lets try multiplying 127 by 294 ( 127 is a prime number):

127 * 294 = 37338.

37338 / 196 = 190.5

37338 * 2 = 74676  which will now be divisible by 196.

74676 will be divisible by 98, 49 and 7 (because they are factors of  196).

It is also divisible by 84 ( to give 889) and therefore by 42, 28, 21, 14, 12,  6, 4, 3 , 2 and 1 which are all factors of 84.

3 0
3 years ago
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