math proublem??? help please?? 8th grade?
A function k is described k(x)=(x+2)^2-6
the domain of k is all real numbers greater than 0, the reange of k is all real numbers greater than-
A. 6
B. 0
C. -2
D. -6
(show work please)
A function k is described k(x)=(x+2)^2-6
the domain of k is all real numbers greater than 0, the reange of k is all real numbers greater than-
A. 6
B. 0
C. -2
D. -6
(show work please)
mizoo
Favorite Answer
D. -6
x ≥ 0
x + 2 ≥ 0
(x + 2)^2 ≥ 0
(x + 2)^2 - 6 ≥ 0 - 6
k(x) ≥ -6