exam Maths Puzzle Numerical Ability

Solve and write interval notation for the solution set
1. /x + 2/ >_ 4
2. 2x-3 <_-5 or 2x + 1 >_ 2

Read Solution (Total 0)

exam Other Question

The amount of annual interest earned by $8,000 invested at a certain rate is $200 less than $12000 would earn at a rate 1% lower . At what rate is the $8000 invested? Explain how to Foil when factoring a polynomial of the form ax^2+bx+c when a=1
thank you