What is (f–g)(x)?

f(x) = -3x2

g(x) = -3x2+9x

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0