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What is the rule for the function shown in the table?

Input x -2 -1 0 1 2
Output y -8 -5 -2 1 4
y = 2x – 2
y = x – 6
y = 4x
y = 3x - 2

Respuesta :

Answer:

should be the last formula y=3x-2

Step-by-step explanation:

plug in the numbers for x and if they equal to y after using the formula thats your answer

The  rule for the function shown in the table is y = 3x - 2

Tables of functions and values

The standard linear equation is given as  y = mx + b

where:

m is the slope

b is the y -intercept

USing the coordinat points (-2, -8) and (0, -2) on the table

Get the slope

m = -2+8/0+2
m = 6/2
m = 3

Since the y-intercept is the point where the input value is zero, hence

b = -2

Get the required equation

y = mx + b

y = 3x + (-2)

y = 3x - 2

Hence the  rule for the function shown in the table is y = 3x - 2

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