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Vlad1618 [11]
3 years ago
11

What is the domain and range ?

Mathematics
2 answers:
Vanyuwa [196]3 years ago
8 0

Answer:

<u>Domain:</u> [1,∞), {x|x≥1}

<u>Range:</u> (−∞,∞), {y|y∈ℝ}

Step-by-step explanation:

The equation of that line is y^{2}=x-1, and the domain and range of y^{2}=x-1 is:

<u>Domain:</u> [1,∞), {x|x≥1}

<u>Range:</u> (−∞,∞), {y|y∈ℝ}

Hope this helps! :)

katrin [286]3 years ago
6 0
Domain is the set of first numbers of the order pairs.

Range is the set of second numbers of the ordered pairs.
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Suppose "35" cars start at a car race. In how many ways can the top 3 cars finish the​ race?
Thepotemich [5.8K]

Answer:

The  value  is   \left 35  } \atop }} \right. P_3  =  39270

Step-by-step explanation:

From the question we are told that

    The  total number of cars is  n  =  35

     The  number cars considered is  r = 3

Generally the number of different top three finishes possible for this race of 35 cars  is mathematically represented as

       \left n } \atop }} \right. P_r  =   \frac{n!}{(n - r) !}

       \left 35  } \atop }} \right. P_3  =   \frac{35! }{(35 - 3) !}

       \left 35  } \atop }} \right. P_3  =   \frac{35 *  34 *  33 *  32! }{32 !}

       \left 35  } \atop }} \right. P_3  =  39270

7 0
3 years ago
You preform an experiment to determine how many breaths a fish takes per minute. Your experiment yields the following data: minu
Alex777 [14]

Alright, lets get started.

experiment yields the following data: minute 1: 65 breaths; minute 2: 73 breaths; minute 5: 62 breaths

Total number of breaths = 65+73+62 = 200

Total minutes observes = 3 minutes

So, average breaths per minute will be = \frac{200}{3}=66.67

So, the average number of breaths that a fish takes per minute is 66.67.  :    Answer

Hope it will help :)



8 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through (-3,-1) and has a slope of 3/5 in slope intercept?
andrew-mc [135]
Answer is Y=3/5x + 4/5
3 0
3 years ago
A man age is three times his sons age. ten years ago was five times his sons age. find their current age.
kow [346]

Answer:

The son is 20

The man is 60

Step-by-step explanation:

We can set up this equation with what we know. Let <em>m</em> stand for the Man's current age, and let <em>s</em> stand for his son's current age.

We know the Man's current age is three times that of his son, so this equation can be written as: <em>m = 3s</em>

Ten years ago means the man's current age <em>minus</em> 10 years. So it is <em>m-10</em>. So ten years ago he was 5 times his son's age 10 years ago, <em>5(s-10)</em>

This can be written as: <em>m-10=5(s-10)</em>

Solve with either substitution or elimination, the choice is yours, it doesn't really matter which method you use. I'll be using substitution.

<em>m-10=5(s-10)</em>

<em>3s-10= 5s-50</em>

<em>40=2s</em>

<em>20 = s</em>

The son is <em>20</em> years old.

We know the man is currently 3 times his son's age, because <em>m=3s</em>, so just solve for m since you now know the value of <em>s.</em>

<em>m=3s</em>

<em>m=3(20)</em>

<em>m=60</em>

The man is <em>60</em> years old

4 0
3 years ago
What is the value of the expression shown when x = 5?
sergey [27]
3(2(5)+4)-5
3(10+4)-5
30+12-5
42-5
37
4 0
3 years ago
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