How can you generalize and verify that an absolute value expression that is greater than a value is considered an or statement ?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?