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Help me with part B and C appease!! No clowning around whoever help me, will get 30 points and I will brainliest you!!! <3 please help!!

Help me with part B and C appease No clowning around whoever help me will get 30 points and I will brainliest you lt3 please help class=

Respuesta :

Answer:

Step-by-step explanation:

a.

y=0.75x

y-y1=(y2-y1)/(x2-x1)×(x-x1)

y-3=(6-3)/(8-4) (x-4)

y-3=3/4(x-4)

y-3=3/4 x-3

y=3/4 x-3+3

y=3/4 x

if y=f(x)

f(x)=0.75x

c.

f(12)=0.75×12=9$

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