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nlexa [21]
3 years ago
14

Use the domain and range of each of the following relations to determine which is a function.

Mathematics
1 answer:
Taya2010 [7]3 years ago
7 0
B and C (I think they are the same)
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A certain orange color is made with 3 quarts of yellow paint and 2 quarts of red paint. To make another orange color how many qu
Arisa [49]

Answer: 4.5

Step-by-step explanation:

5 0
3 years ago
Convert the rate 30 cm/s to m/h
MrRissso [65]
1m=100cm\to1cm=\dfrac{1}{100}m\\\\1h=3600s\to1s=\dfrac{1}{3600}h\\\\\\30\dfrac{cm}{s}=30\cdot\dfrac{\frac{1}{100}}{\frac{1}{3600}}\ \dfrac{m}{h}=30\cdot\dfrac{1}{100}\cdot3600\ \dfrac{m}{h}=30\cdot36\ \dfrac{m}{h}=\boxed{1,080\ \frac{m}{h}}\\\\\\Answer:\boxed{30\frac{cm}{s}=1,80\frac{m}{h}}
3 0
3 years ago
Which of the following describes the end behavior of f(x) = 2x 3x2 − 3 ? The graph approaches 0 as x approaches infinity. The gr
Arada [10]
1) An operator is missing in your statement. Most likely the right expression is:

               2x
f(x) = -------------
           3x^2 - 3

So, I will work with it and find the result of each one of the statements given to determine their validiy.

2) Statement 1: <span>The graph approaches 0 as x approaches infinity.


Find the limit of the function as x approaches infinity:

                                    2x
Limit when x →∞ of ------------
                                 3x^2 - 3

Start by dividing numerator and denominator by x^2 =>

      2x / x^2                         2/x
--------------------------- = ---------------
  3x^2 / x^2 - 3 / x^2       3 - 3/x^2

                                      2/∞             0          0
Replace x with ∞ =>  ------------ =  ------- =  ---- = 0
                                    3 - 3/∞        3 - 0      3

Therefore the statement is TRUE.

3) Statement 2: The graph approaches 0 as x approaches negative infinity.

</span><span><span>Find the limit of the function as x approaches negative infinity:

                                        2x
Limit when x → - ∞ of ------------
                                     3x^2 - 3

Start by dividing numerator and denominator by x^2 =>

      2x / x^2                         2/x
--------------------------- = ---------------
  3x^2 / x^2 - 3 / x^2       3 - 3/x^2

                                        2/(-∞)           0            0
Replace x with - ∞ =>  ------------ =  ---------- =  ---- = 0
                                      3 - 3/(-∞)      3 - 0        3

Therefore, the statement is TRUE.</span>


4) Statement 3: The graph approaches 2/3 as x approaches infinity.

FALSE, as we already found that the graph approaches 0 when x approaches infinity.

5) Statement 4: The graph approaches –1 as x approaches negative infinity. </span>

FALSE, as we already found the graph approaches 0 when x approaches negative infinity.
4 0
4 years ago
Read 2 more answers
Which of these tables represents a linear function?
wlad13 [49]

Answer:

Table 1

Step-by-step explanation:

For a function to be linear, equal changes in x must correspond to equal changes in y.

In all tables, the x values increase by 1, so all changes in x in all 4 tables are 1.

If a function is linear, then all changes in y must be equal.

Table 1:

5 - 6 = -1

4 - 5 = -1

3 - 4 = -1

All changes in y are equal, so the first table is linear.

Table 2:

4 - 3 = 1

6 - 4 = 2

Two differences in y are different, so table 2 is not linear.

Table 3:

6 - 7 = -1

5 - 6 = -1

3 - 5 = -2

Not all differences in y are equal, so table 3 is not linear.

Table 4:

4 - 2 = 2

5 - 4 = 1

Not all differences in y are equal, so table 3 is not linear.

The only table that has equal differences in y corresponding to equal differences in x is Table 1, so only Table 1 shows a linear function.

5 0
3 years ago
Two runners begin running laps around a one-mile track at the same time. The first runner completes a mile every 6 minutes and t
zheka24 [161]

Answer:

24

Step-by-step explanation:

simpley look up the lcm of 6 and 8 and youll get the answer... very simple

8 0
4 years ago
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