Question

The function f(x) = ?(x + 5)(x + 1) is shown.What is the range of the function? all real numbers less than or equal to 4 all real numbers less than or equal to ?3 all real numbers greater than or equal to 4 all real numbers greater than or equal to ?3

Answer 1

It is best to graph the function when searching for the range.

For the function f(x) = (x + 5)(x + 1), the range is ALL REAL NUMBERS when y is greater than or equal to -4.

Get it?