!00 point question
in the function y = - 2(x - 1)^2 + 4 what effect does the number 4 have on the graph as compared to the graph of the function y =x^2
A It shifts the graph up 4 units
B It shifts the graph down 4 units
C It Shifts the graph 4 units to the right
D It shifts the graph 4 units the the left