2. Which of these graphs represents a function?
NU
12
-5
1 2 3
UN
U UN
w.
X.
Na
NUD
5-4-3-2-4,
-2
Naudotis
S-
z.
Y

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.

Determine the equivalent system for the given system of equations: 5x − 3y = 6 x + y = 2