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2 years ago

Question 15 of 16

Mathematics

1 answer:

Westkost [7]2 years ago

7 0

The same input is being mapped into two outputs, so this is not a function.

<h3>Does the table represent a function?</h3>

A function is a relation that maps elements from the domain into elements from the range. Such that each element of the domain can be mapped into only one element of the range.

Here we have the table:

x y

4 2

3 3

4 5

5 6

7 7

As you can see, the input x = 4 appears two times, first it is mapped into y = 2, and then it is mapped into y = 5.

Then this table does not represent a function.

If you want to learn more about functions:

brainly.com/question/2328150

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X/5 - 12 = -8 x=? what

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3 years ago

A sixth-grade science club needs $180 to pay for the tickets to a science museum. All tickets cost the same amount. What could \

Marat540 [252]

Answer:

Two interpretations:

1. Ticket price for each student

2. Number of students

Quotient = 12

Step-by-step explanation:

Given that:

Total money to be paid for the tickets to the science museum = $180

To find:

Two interpretations, what does the expression $\large 180\div15$ represent ?

Solution:

The expression $\large 180\div15$ has two terms:

1st is 180, which is the amount of money to be paid for the tickets to the science museum.

As price of all the tickets is same, 15 might be one of the two things:

<em>1. Total Number of candidates:</em>

If 15 is the total number of candidates, then the expression $\large 180\div15$ represents the price of each ticket.

<em>2. Price of each ticket:</em>

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3 years ago

Simplify the following rational expression and express in expanded form.

VladimirAG [237]

Answer:

D m = $-\frac{3}{8}$

Step-by-step explanation:

factor the expressions in the denominator and the numerator to simplify the expression:

=> $\frac{2(-2m + 1)(2m - 1)}{2(2m - 1)(8m + 3)}$

=> $-\frac{2m + 1}{8m + 3}$

to make a fraction undefined, the numerator should be 0, thus, we substitute the values of m from the options into the denominator to make the denominator equals to 0:

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in this case, the values of m from option D make the denominator of the fraction equals 0.

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