Answer:
F(x)=2x^2
Step-by-step explanation:
Basically, a quadratic function has x^2 in it (standard form ax^2+bx+c with non-zero a). The others have x^3, -x, x^4, etc., which clearly are NOT x^2.
Answer:5.50x + 9 = 2.50x
Step-by-step explanation:
Answer:
x = 10
Step-by-step explanation:
plug and chug using a calculator
4(10+2)
10+2= 12 x 4=48