exam Maths Puzzle Numerical Ability

Write an equation that best models the datd:
x- -2,0,2,4
y- 3.5,7,14,28

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exam Other Question

Word Problem:
The use of toll-free numbers has grown exponentially. In 1967, there were 7 million calls to toll-free numbers, and in 1991, there were 10.2 billion such calls (Sou EVALUATE: a-13 when a =33

2 =3y when y=8