Does this table represent a function, why or why not?
Does this table represent a function, why or why not? - 1

Answers

Answer 1
Answer:

Answer:

a) No, because one x-value corresponds to two different y-values.

Step-by-step explanation:

Let's find the coordinates from the table values.

(2, 1), (3,4), (3, 3), (4, 2), (5, 5)

Here the input 3 has two outputs 4 and 3

3 is associated with two numbers 4 and 3.

Therefore, it is not a function.

Answer: a) No, because one x-value corresponds to two different y-values.

Hope you will understood the concept.

Thank you.

Answer 2
Answer:

Answer:

Choice A is correct.

Step-by-step explanation:

We have ordered pair in the table:

(2,1) (3,4) (3,3) (4,2) (5,5)

We have to explain is it a function or not ?

Function is a rule that gives each input a single output.

It is not a function because one x value correspond to two different y values.

It is shown from the table that the input 3 has two different output values that is 4 and 3.

Input 3 has two outputs 4 and 3.

Choice A is correct.


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Solve |3x + 9| + 6 = 6

Answers

Answer:

x = -3

Step-by-step explanation:

|3x + 9| + 6 = 6

|3x + 9|  = 6 - 6

|3x + 9|  = 0

3x + 9 = 0

3x = - 9

 x = -3

A square has a perimeter of 20 cm what is the length of its diagonal rounded to the nearest tenth

Answers

-- All 4 sides of a square are the same length.
   The perimeter is 20 cm.
   So each side is  (20/4)  =  5 cm.

-- If you cut the square along its diagonal, and throw one piece away ...

   You have a right triangle.
   The legs are sides of the square ... 5 cm each.
   The hypotenuse is the diagonal of the square, which you have to find.

-- The (hypotenuse of any right triangle)²

                 = (the length of one leg)² + (the length of the other leg)² .

       (Diagonal)²  =  (5 cm)² + (5 cm)²

       (Diagonal)²  =  (25 cm²) + (25 cm²)

       (Diagonal)²  =  (50 cm²)

         Diagonal  =  √(50 cm²)  =  7.07 cm

                                         or    7.1 cm  rounded to the nearest tenth.
multiply the length of one side by the square root of 2.

   20
√2 = 28.28
Rounded to the nearest tenth:
28.28
→28.3

28.3 is the final answer

How many times longer is one inch
than one foot

Answers

Well, I am not exactly sure if this is what your asking but one foot is twelve times the size of a foot.
one foot = 12 inches, so one inch is 12 times less than one foot

How can you find a unit rate when given a rate?

Answers

You can find the unit rate when given a rate by setting up a proportion of the rate equal to how many per one.

40 miles per 2 hours = 20 miles per one hour.

20 miles/hour is a unit rate.   (How many per one?)

Solve each equation. Write null if the equation has no solution. Write all if all numbers solve the equation. Write fractions in simplest form.1)  33+a=12a
2)  -6n+2=4n-5
3)  2.4b-7=b+15.4
4)  4m/6=m+3
5)  4p+1/4=6p
6)  24-c=2(3+4c)
7)  3(5-2y)=4(y+20)
8)  5(2x+3)=3(x+2)+7x+9
9)  4(3k+6)=12(5+k)
10)  3(2n+4)+2n+56

PLEASE HELP ME WITH THIS QUESTION!!!!!!!

Answers

1) 33+a=12a
33 = 11a
33/11 = a
a = 3

2) -6n+2=4n-5
2 = 10n-5
7=10n
n = 7/10
n = 0,7

3) 2.4b-7=b+15.4
2.4b=b+22.4
1.4b=22.4
b = 22.4/1.4
b = 16

If rectangles must have right angles, explain how a rhombus could also be called a rectangle.

Answers

It can because u can flip or change it the other way