The function f(x)=2×2-8x+4 is increasing on the interval.
A. (-infinity,0]
B. [0,infinity)
C. [2,infinity)
D. [0,2]
Answer:C
The function f(x)=2×2-8x+4 is increasing on the interval.
A. (-infinity,0] B. [0,infinity) C. [2,infinity) D. [0,2]