When b=0
f(x)=ax^2+c
test each
A. with x^2-1, A is false
B. with -x^2-1, B is false
C. cannot find contradiction
D. the axis is actually x=0, 0 is nithere positive nor negative, false
answer is C
Answer:
1, 2, 3, 4, 6, 9, 12, 18, and 36
Answer:
Dieting (?) since proportions of the food can affect you're diet and it's also useful to stay on track.
(16/18)
(24/27)
You just times 8 and 9 by the same number, like:
(8•2/9•2)=(16/18)
(8•3/9•3)=(24/27)
You could do any number:
(8•100/9•100)=(800/900)
The question is a bit confusing can rephrase it?!
