book Maths Puzzle Numerical Ability

I need to make a table showing the value of each expression when the value of the variable is 1,2,3,4,and 5. {{4x}}

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book Other Question

one side of a pool table is 1 foot longer than twice the width. the area of the pool table is 15 square feet. what is the length of the table?
how would you write this as a formula? Graph f(x) = -x - 2 explain graph points in words.