Respuesta :

AtlantixXMoon

Answer:

1: 45 + 25x = C(x)

2: 145

3: [4, 8]

Step-by-step explanation:

PirateApple

Answer:

1)

C(x) = 45 + 25x

2)

C(4) = 45 + 25*4

C(4) = 45 + 100

C(4) = 145

3)

y = 5 + 0.25*6

y = 5 + 1.50

y = 6.50

maybe it’s (6,7)

I am not 100% positive about the third problem. I hope it’s correct.