Ava45018 Ava45018
  • 02-06-2018
  • Mathematics
contestada

what is the answer to #16???? Helpppppp

what is the answer to 16 Helpppppp class=

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danpercac danpercac
  • 02-06-2018
-2, because f(-2)=-2 and g(-2)=2; -2+2=0
Sorry for writing the answer as a comment first.

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jcherry99
jcherry99 jcherry99
  • 02-06-2018
The answer in the comment above is correct. You need to be able to draw a vertical line through the given choices. The vertical line intercepts two point (and only 2 in this case) which are on opposite sides of the x axis. They must also be an equal distance from the x axis.

One the points must be minus and the the other plus. The value must be the same. Only the sign can be different. The answer that fits all that is x = -2.
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