Question 20846
LET Y={{{ f(x)= -x^2+4x-1 }}}
GIVE DIFFERENT VALUES TO X IN THE ABOVE EQUATION AND FIND CORRESPONDING VALUES OF Y..TABULATE AS FOLLOWS,CHOOSE A SUITABLE SCALE AND PLOT THEM ON A GRAPH AS SHOWN BELOW
X....0.....1......2.....3.......4......ETC..
Y....-1....2......3.....2.......-1

{{{ graph( 600, 600, -6, 6, -10, 10,-x^2+4*x-1) }}}