Asked by Bri

do this values in the table represent a linear function? If so what is the function rule?

X -2. 0. 2. 4
Y -4. 0. 4. 8

A) the values do not show linear function
B) yes they show y=1/2x+4
C) yes they show y=2x+2
D) yes they show y=2x
My answer: C or D?
Answered by Reiny
Did you check if the slope between any two points is always the same ?

Hint: the point (0,0) is a good point to check in the given equations.
Which equation does it satisfy ?
Answered by Bri
Ohhhh okay. So it's D
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