Select the approximate values of x that are solutions to f(x) = 0, where
f(x) = -2x2 + 9x + 9.
{–0.22, 1.00}
{-2, 9}
{–4.50, –4.50}
{–0.84, 5.34}
me need to answer
m

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?