Square root of 16.9 rounded to the nearest hundreth

The answer is 4.11

Step-by-step explanation:

The answer is 4.11 because then you square root 16.9 you are left with the decimal of 4.110960958

If you do 4.1 you are rounding to the tenths place.

If you do 4.11 you are rounding to the hundredths place.

If you do 4.111 you are rounding to the thousandths place.

It is 4.11 because if the number after it is:

Less than 5 = Do not round up

5 or more = Round up

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

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value