Help me with this please quick !!!

Yes this is a function

Step-by-step explanation:

The reason is every input only has one output. So what you look for is if there are two arrows coming from the left side and each arrow points to a different number, then that is not a function, because its basically saying if you "plug in" one number you'll get a different number each time. Which is not a function. Each number must have one arrow, and if it has two, it must be pointing to the same number each time for it to be a function.

I hope this helped :)

let soccer = x and golf = y

part a

1st equation: x + y = 125

2nd equation: x = y +45

part b

replace x in the 1st equation with the 2nd one:

y + 45 + y = 125

simplify:

2y + 45 = 125

subtract 45 from each side:

2y = 80

divide both sides by 2:

y = 80/2

y = 40

she plays golf for 40 minutes.

part c

no because she plays soccer for 45 minutes longer than golf 40 +45 =   85 minutes, not 80 minutes.

google dat sis

step-by-step explanation: