Select all functions with zeros at -5 and 1.
Check the final answer first, then review the worked steps.
Problem
Select all functions with zeros at -5 and 1.
Step-by-step solution
A function with zeros at -5 and 1 can be written as $a(x+5)(x-1)$. Expanding this gives $a(x^2+4x-5)$. Functions A, B, and D are multiples of this form.
Answer
A, B, D