10 Let f be a numerical function such that :
f(x) = 3x2 - 5x + 1 and (P) its representative
curve. Show that (P) admits a straight line (D) of
5 PORTO
equation x = as axis of symmetry..
6

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.