Input (x) -1 0 1 2 3 4

Question

Output (y) 2 4 6 8 10 12

What is the rule?

Answer 1

note that output increases by 2 when input increases by 1.
so start with
y = 2x
But when x=0, 2x is also 0, and you want 4
y = 2x+4

Answer 2

Thank you so much oobleck

Answer 3

Can One Of U Guys Help me

Answer 4

i can try