Inding the sales lax
Store A
Store B
What is the amount of sales tax charged on the
repaired computer at Store A?
Computer
Repair
$1200
$1,350
Sales Tax
6%
7%
$72
$81
Gratuit
15%
15%
$720
Shipping
Free
2% of total
price
$810

first option

a function is a relation in which an input is paired with exactly one output.

so, let's find the right answer.

in our first option, our inputs are january, february, and march. the outputs are 30, 28, and 25. each input has it's own output. this is correct!

our second option we know is incorrect, because ms. valverade has two outputs, dogs and cats. this is not a function.

our third option is incorrect as well. the yellow square has two ouputs, the square and the triangle.

lastly, in our fourth option, we see the number 7 two times with a different output. therefore, this is not a function.

remember: each input must be paired with only one output!

answer: are you

step-by-step explanation:

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction