Please help me i will give !

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.