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dusya [7]
3 years ago
11

The graph of the function f(x) = –(x + 6)(x + 2) is shown below.

Mathematics
2 answers:
Anika [276]3 years ago
8 0
Expand
f(x)=-x²-8x-12
take derivitive
f'(x)=-2x-8
zero at x=-4

in x<-4, the derivitive is positive so the function is increasing
in x>-4, the derivitive is negative so the function is decreasing


increasing in (-infinity,-4)
decreasing in (-4,infinity)



first option
GuDViN [60]3 years ago
4 0
Yep it's the first option
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3 0
4 years ago
Read 2 more answers
2+4z-18 slove step by step
Marianna [84]
2+4z-18 
change it so it's an equation
2+4z-18=0
then get 4z alone on one side by subtracting 4z from both sides
2-18=-4z
-16= -4z
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a negative divided by a negative becomes positive
4 =z
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the same can be done for the second one 2+k-8

make it 2+k-8=0

move the k to get it alone so subtract k from both sides

2-8=-1k

-6 = -1K

you can divide by K to make K=6 

plug in 2+6-8=0

0=0
6 0
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