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4 votes
The graph of which function is decreasing over the interval (–4, ∞)?

User Dan Jaouen
by
5.1k points

2 Answers

3 votes

Answer:

B

Explanation:

User Jhui
by
5.8k points
3 votes

Explanation:

ok, logic

all of them are parabolas

1st and 3rd are opening up, so they defenitely increase, so no

decraseing

the vertex hs to be be at x=-4

y=a(x-h)^2+k

h has to be -4

y=a(x+4)^2+k

the answer is 2nd one or f(x)=-(x+4)^2+4

User Andrew Beals
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5.4k points