6. for any two integers a and b, (a + b)2 = a’ + b?
true or false

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

How do you solve a question like this?

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1