exam
Maths Puzzle
Numerical Ability
Given r(x)=7x-22and t(x)=x^2+3,express the sum (r+t)(x).
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exam Other Question
Factor completely
7x^2 -28y^2
1. In this problem, we will analyze the profit found for sales of decorative tiles. A demand equation (sometimes called a demand curve) shows how much money people would pay for