a4b2 + 2a4 - 12a3b - 2ab3 - 4b2
———————————————————————————————
2a2
Answer:
a record of all the mail that a mailbox identifies as Junk
Equation 2 is a square root function, kind of like half of a sideways parabola, Equation 3 is a parabola, and 4 is a cubic function (s-shaped). This leaves Equation 1, which is a line with a slope of 2 with a y-intercept at 7. So I'd say the answer is 1.
What are the choices for this question?
