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horrorfan [7]
4 years ago
6

Help please the picture is above.

Mathematics
2 answers:
diamong [38]4 years ago
7 0
The answer is -136

Plug in 9 for x

f(9)= -(9)^2 - 4(9) - 19

f(9) = -81 - 36 - 19

f(9) = -136
notsponge [240]4 years ago
6 0
The answer to this one is -64, again, just plug in -9 where the x values are (:
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