Answer:
function
Step-by-step explanation:
The graph shows a function since it passes the vertical line test.
Answer: A
Step-by-step explanation:
Answer:
Lidal's price is better
Step-by-step explanation:
<u>Lidal</u>
4 for £2.04
1 for £2.04/4= £0.51= 51 p
<u>Oldi</u>
9 for £4.68
1 for £4.68/9= £0.52= 51 p
Lidal offers better price per roll
<span>3(2y - 4) = 8y + 9 - 9y
Distribute 3:
6y - 12 = 8y + 9 - 9y
Combine like terms:
6y - 12 = -y + 9
Add y to both sides:
7y - 12 = 9
Add 12 to both sides:
7y = 21
Divide both sides by 3:
y = 3</span>
The sum of 3 times a number and 4
