Given the functions f(x) = 3x2, g(x) = x2 - 4x + 5, and h(x) = -2x2 + 4x + 1, rank them from least to greatest based on their axis of symmetry.
A.) f(x), g(x), h(x)
B.) f(x), h(x), g(x)
C.) g(x), h(x), f(x)
D.) g(x), f(x), h(x)
I think its C or D

Question

Given the functions f(x) = 3x2, g(x) = x2 - 4x + 5, and h(x) = -2x2 + 4x + 1, rank them from least to greatest based on their axis of symmetry.	
A.) f(x), g(x), h(x)
B.) f(x), h(x), g(x)
C.) g(x), h(x), f(x)
D.) g(x), f(x), h(x)
I think its C or D

trantom · Answer

is that supposed to be 3x^2 and x^2-4x+5 and -2x^2+4x+1?

ashy98 · Answer

Yes sorry

trantom · Answer

I just plugged them into a graphing calculator and it's actually C... but I don't know why

ashy98 · Answer

okay thank you i was thinking that it was C or D as way