Answer:
The following numbers ARE functions:
2, 3, 6, 7, 9, 12
Step-by-step explanation:
A function is only possible if the x values have NO REPEATING NUMBER!!!
Every number that isn't mentioned above has at least 1 number in it's x-values that repeats.
<u>Question 1</u> has the 8 and 4 with 2 numbers.
<u>Question 4</u> the 3 repeating. (There are 2 dots over the 3)
<u>Question 5</u> has numbers 1 and 5 repeating many times
<u>Question 8</u> numbers 1 and 2 are repeated twice
<u>Question 10</u> number 3 repeats twice
<u>Question 11</u> has the 1 repeated
9514 1404 393
Answer:
√42 ≈ 6.48074
Step-by-step explanation:
Put the values in place of the corresponding variables and do the arithmetic.

_____
42 = 2·3·7 is not a perfect square, nor does it have any perfect square factors. Its square root is irrational.
<h2>
Answer:</h2>
x = 1
y = 1
<h3>
Step-by-step explanation:</h3>

Substitute into one of the equations

Rearrange variables to the left sider of the equation

Combine like terms

Divide both sides of the equation by the coefficient of variable

Determine the sign for multiplication or division

Cross out the common factor

Substitute into one of the equations

The solution of the system is

<em>I hope this helps you</em>
<em>:)</em>
27 x 34 = 918
Correct division Equations are:
918 ÷ 34 = 27
and
918 ÷ 27 = 34
PS. PLZZZZZZZZZZZ give me brainliest!!!