3 years ago

Which of the following expressions represents a function?

1 answer:

7 0

A function can have one x-value for each y-value Or even, two difference x-values for one y-value.

And out of the four options, only A and C represent a function. The other two options have the same x value for two y-values.

One way to test if it is a function is by the vertical line test.

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Gillian purchased 25 books at the library book sale. each hardcover book cost $1.50, and each paperback book cost $0.50. gillian

Sindrei [870]

H + p = 25
1.50 h + 0,50 p = 26.50
___________________
p = 25 - h
1.50 h + 0.50 ( 25 - h ) = 26.50
1,50 h + 12.50 - 0.50 h = 26.50
h = 26.50 - 12.50
h = 14
p = 25 - 14
p = 11
Gillian purchased 14 hardcover books and 11 paperback books.

3 0

4 years ago

Q6: Lisa bought 5 candy bars and 6 packs of gum for $15. Caleb bought 3 candy bars and 2

yan [13]

Answer: 15=5b+6g

7=3b+2g

You can change the b & G 2 x and Y if you want to. B represents candy bars and G represents gum

Step-by-step explanation: