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GenaCL600 [577]
3 years ago
7

Each picture shows how a mapping, f, maps elements of a domain onto a range. Which mapping, f, is NOT a function?

Mathematics
1 answer:
GrogVix [38]3 years ago
6 0
The one with domain {8, 3, 1} and range {6, 2, 7, 9}(top-left)  is not a function because 3 is being mapped to two different values, 2 and 7.
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The diameter of a circular tray is 28cm. Find the area of the tray. Take[Pi=22/7] ​
adoni [48]

Answer:

616 cm²

Step-by-step explanation:

<u>Area of circle:</u>

  • A = πr² = 1/4πd²

<u>Since d = 28 cm and π = 22/7, the area is:</u>

  • 1/4*22/7*28² = 616 cm²
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4 years ago
If polygon is not a square,then it is not a rectangle
Tamiku [17]
True. A square can't be a rectangle, but a rectangle can be a square.
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Read 2 more answers
Describe how to solve the inequality 3(a+5)&lt;9
yanalaym [24]
First, let's use the distributive property on 3(a+5)

3(a + 5) = 3a + 3(5) = 3a + 15

Now, let's go back to the inequality

3(a+5) < 9

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3a + 15 < 9

Subtract both sides by 15

3a < -6

Divide both sides by 3

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That's your answer.

Have an awesome day! :)
5 0
3 years ago
Please help Identify the domain of the function shown in the graph. A. 0 ≤ x ≤ 5 B. x is all real numbers. C. –5 ≤ x ≤ 5 D. x &g
pav-90 [236]

Answer:

B

Step-by-step explanation:

The answer is B because domain is from left to right (x-axis) and the graph seems to go on for infinity in both directions

8 0
3 years ago
Wanda has eaten 25 of the 28 grapes in her bowl, so she is 25/28 of the way to finishing her snack. Which statement best describ
laiz [17]
<h2>Explanation:</h2><h2 />

No statement provided, so I could help you in a general way. Here we know that Wanda has eaten 25 of the 28 grapes. In other words, we can define this as follows:

\text{Total number of grapes}=28 \\ \\ \text{Number of grapes she ate}=25

So we can write this as a percentage form as follows:

\% \ \text{Grapes eaten}=\frac{25}{28}\times 100 = 89.28\%

So <em>an statement that is true is that Wanda has eaten almost 90% of the grapes.</em>

4 0
3 years ago
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