Which of the following functions has the function rule y = x + 4?
{(0, 2), (-2, -6), (1, 5)}
{(2, 6), (-3, -7), (0, 4)}
{(-3, 1), (0, 4), (2, 6)}
{(-2, 2), (-1, -5), (3, 7)}

Function rule {(-3, 1), (0, 4), (2, 6)}

Step-by-step explanation:

Given  : y = x + 4.

To find : Which of the following functions has the function rule.

Solution : We have given y = x + 4.

For x = -3

y = -3 +4

y = 1.

For x = 0

y = 0 +4

y = 4.

For x = 2

y = 2+ 4

y = 6.

Then {(-3, 1), (0, 4), (2, 6)}

Therefore, Function rule {(-3, 1), (0, 4), (2, 6)}

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40