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natulia [17]
3 years ago
7

PLEASE HELP FIND DOMAIN AND RANGEdomain-range-is this relation a function? ​

Mathematics
2 answers:
ycow [4]3 years ago
4 0

Answer:

Domain: (-2, -1, 0, 5).

Range: 3 and 4.

Function: Yes.

Step-by-step explanation:

In order for a relation to be a function, we will have a set of inputs and a set of outputs. Various inputs may have the same output, but one input cannot have various outputs.

In a graph, if the points make a horizontal line, then the relation is still a function. However, if they made a vertical line, the relation would NOT be a function.

sweet-ann [11.9K]3 years ago
4 0
Yes it is a function
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A university employs a total of 560 teaching assistants and research assistants. There are three times as many teaching
Scrat [10]

Answer:

170

Step-by-step explanation:

There are three times as many teaching assistants as research assistants. Find the number of research assistants employed by the university. Hence the number of research assistants is 170.

8 0
2 years ago
There are 1,570 souvenir paperweights that need to be packed in boxes. Each box will hold 17 paperweights. How many boxes will b
arlik [135]

Answer:

93 boxes will be needed.

Step-by-step explanation:

Divide 1570 ÷ 17

This gives the answer 92.35

So 92 boxes won't be enough. 0.35 of a box itsn't helpful in the real world. So you need 93 boxes.

8 0
2 years ago
Does the function satisfy the hypotheses of the Mean Value Theorem on the given interval? f(x) = ln x, [1,7] choose one letter t
inn [45]
ANSWER

B.Yes, f is continuous on [1, 7] and differentiable on (1, 7).

c\approx 3.08

EXPLANATION

The given

f(x) = ln(x)

The hypotheses are

1. The function is continuous on [1, 7].

2. The function is differentiable on (1, 7).

3. There is a c, such that:

f'(c) = \frac{f(7) - f(1)}{7 - 1}

f'(x) = \frac{1}{x}

This implies that;

\frac{1}{c} = \frac{ ln(7) - 0}{6}

\frac{1}{c} = \frac{ ln(7)}{6}

c = \frac{6}{ ln(7) }

c\approx 3.08

Since the function is continuous on [1, 7] and differentiable on (1, 7) it satisfies the mean value theorem.
7 0
3 years ago
1252 divided by 48 equals 26 r 4
Ksenya-84 [330]
I assume that in this question, you are asked to evaluate the value(s) of r. To answer that question, dividing 1252 by 48 gives us 26.0833 or 26. Mathematically expressing the solution,
                                         26 = 26r^4
Then, divide the equation by 26, giving us 1 = r^4. Evaluate r. This will give us answers of +-1. 
7 0
4 years ago
Select from the drop-down menus to correctly complete each statement. −20>−21 −19>−20 −21 is located to the of −20 on a nu
LekaFEV [45]

Answer:

  left, right

Step-by-step explanation:

If you use the < or ≤ symbol to compare the numbers, their left-right order is the same as on the number line. Here, we would write the ordering as ...

  -21 < -20 < -19

So, we see that ...

  -21 is <em>left</em> of -20 on the number line

  -19 is <em>right</em> of -20 on the number line

4 0
3 years ago
Read 2 more answers
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