Pls answer asap i’m taking a test ahhh

First, It's a function.

Second, domain is {a,b,c,d}

Third, range is {x,y,z}

Reason why it's function because

1. A single value in Input doesn't have 2 lines connected (domain must not be repetitive.)

2. All Inputs have lines connected to Output (if not then not a function.)

16.9 times 2.85

step-by-step explanation:

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation: