Answer:
12
Step-by-step explanation:
Using a graphing calculator, we can see the graph of the function y = x²-4x+1:
as we can see, the vertex of the function is (2,-3), and the solutions are (0.3,0) and (3.7,0)
Answer:
144
Step-by-step explanation:
f(4)=3*4^2
f(4)=12^2
12*12=144