exam Maths Puzzle Numerical Ability

Input/Output Table

Input: Output
-2 4
1 1
4 16

What is the funtion rule?

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exam Other Question

Graph the set {x|<_ x <_ 5 on a number line (-7 through 7). Also write the set using interval notation



NOTE: <_ means less than or equal to.
Evaluate: 4^x-2 = 1/8