exam Maths Puzzle Numerical Ability

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.

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exam Other Question
If Ben invests $5000 at 5% interest per year, how much additional money must he
invest at 6.5% annual interest to ensure that the interest he receives each year is 5.5% of the total amount invested?

$_______ Input/Output Table

Input: Output
-2 4
1 1
4 16

What is the funtion rule?