Seudónimo Seudónimo

15-04-2017
Mathematics

contestada

Name the function rule from the table given

y = x – 3

y = x + 3

y = 2x – 1

y = -2x – 1

Name the function rule from the table given y x 3 y x 3 y 2x 1 y 2x 1 class=

Respuesta :

Cricetus Cricetus

08-08-2019

Answer:

y=2x-1

Step-by-step explanation:

Let the function is given as

f(x)=ax+b

Given that

f(0)=-1

Hence

a(0)+b=-1

b=-1

Also goven that

f(-2)=-5

a(-2)+b=-5

-2a-1=-5

-2a=-5+1

-2a=-4

Dividing both sides by -2

a=2

Hence our function becomes

f(x)=2x-1

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