All computers are on sale for 10% off the original price.
If x is the original price of the computer, then the
function that represents the price after only a 10%
discount is:
Choose the composition function that gives the
final sale price after a 10% discount is followed by
a $150 coupon.

The function that gives the price, C, if only a $150
coupon is used is:
C(x) = x - 150

C(P(x)) = 0.9x - 150

If a laptop originally costs $800, the balance due after the 10% discount and $150 gift card is applied is $___

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!

let's fu(!

step-by-step explanation: