Question

is {(7, -1), (3, -2), (5, -2)} a funtion

Answer 1

If you have (x,y) and (x,z) then y=z.
Do you have two pairs in your set such that there is an x that repeats more than once?

Answer 2

x is the first number in each ordered pair
An ordered pair is (x,y)
y is the second number
do you see more than one ordered pair with the same x?

Answer 3

The quotient of a number and two is increased by seven. The result is eleven. What is the number?

Answer 4

What do you think quotient means?

Answer 5

a result obtained by dividing one quantity by another

Answer 6

The and of that phrase that contains quotient is telling you where to separate the numerator from the denominator

Answer 7

So the quotient of (a number) <--numerator and (two)<--denominator

Answer 8

Thank you have a great day