Is there any different between function and relation

Answers

Answer 1

Answer: A function is a special kind of relation.
Relations pair up x and y coordinates, either by listing them or by writing an equation.
Functions have the additional property that no two values of y have the same value of x.

Answer 2

Answer: Yes. In a relation the numbers have a relationship though the use of a domain and range. In a function,there is a specific set of numbers and you would only get one range. All functions are relations but not all relations are functions.

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(q^4)^z= q^12 find the value of z

Answers

Answer:

the value of z is 3 that is if I am correct

The list price of a refrigerator is $1899. The chain discount is 20/15. What is the final net price?

Answers

1st = 100% - 20% = 80%
2nd= 100%-15% = 85%

Net Price Factor = 0.8 x 0.85 = 0.68

Net Price = $1899 x 0.68

Final Net Price = $1,291.32

Total Discount= $1899 - 1,291.32 = $607.68

Two non-simultaneous events have an equal likelihood of occurring (50%). If the events are independent of each other, what is the probability that they will both occur?

Answers

Answer: Probability that they will both occur is 25%.

Step-by-step explanation:

Since we have given that

There are two non simultaneous events.

Probability of each event = 50%

Since both are independent to each other.

Let A and B be two events.

We need to find the probability that they will both occur i..e P(A∩B).

As we know the rule of independence of events:

$P(A\cap B)=P(A).P(B)\n\nP(A\cap B)=0.5* 0.5\n\nP(A\cap B)=0.25\n\nP(A\cap B)=25\%\n$

Hence, Probability that they will both occur is 25%.

25% should be the answer, let me kno if its correct

Which shows one way to determine the factors of x3 – 12x2 – 2x + 24 by grouping?

Answers

Answer:

(x-12)(x^2-2)

Step-by-step explanation:

$x^3 - 12x^2 - 2x + 24$

Factor the polynomial by grouping

We group first two terms and last two terms

$(x^3 - 12x^2)+(- 2x + 24)$

Now we factor out GCF from each group

GCF of x^3 -12x^2 is x^2

GCF of -2x+24 is -2

$x^2(x - 12)-2(x -12)$

(x-12)(x^2-2)

The question is

Shows the factor of x³-12x²-2x+24 by grouping method.

Now,

take ' x² ' common from first two terms and ' -2 ' from the last two terms.

x³-12x²-2x+24

=x²(x-12)-2(x-12)

=(x-12)(x²-2) are factors.

What is the mean of -0.05, 0.09, -0.04,-0.08

Answers

Answer:

-0.02

Step-by-step explanation:

To find the mean (average) of a set of numbers, you add up all the numbers and then divide by the total count of numbers. In this case, you have four numbers: -0.05, 0.09, -0.04, and -0.08.

Mean = (Sum of the numbers) / (Total count of numbers)

Mean = (-0.05 + 0.09 - 0.04 - 0.08) / 4

Now, calculate the sum of these numbers:

Mean = (-0.05 + 0.09 - 0.04 - 0.08) = -0.08

Now, divide the sum by the total count of numbers, which is 4:

Mean = -0.08 / 4 = -0.02

So, the mean of the numbers -0.05, 0.09, -0.04, and -0.08 is -0.02.

Need some help simplifying a-9/3/1-3/a=

Answers

use mathway on your phone

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