Question

( vec{A} )
( cdots N_{1}^{prime} frac{N}{2} sum_{D}^{1} sum_{i}^{1} )
( vec{omega} )
the
sit
( underbrace{operatorname{Nug}_{p}left{F_{k}right.}^{+}=1^{circ} )
Whe
2 the
" Nive
( frac{1}{G} ) "

# D-7. If y = - 2x2 - 6x + 9, then (A) maximum value of y is -11 and it occurs at x = 2 (B) minimum value of y is -11 and it occurs at x = 2 (C) maximum value of y is 13.5 and it occurs at x = -1.5 (D) minimum value of y is 13.5 and it occurs at x = -1.5

Solution