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OpenStudy (anonymous):
let f(x)=-2x-7 and g(x)=-4x+3 find (f o g ) (-5) help please :)
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OpenStudy (anonymous):
sorry its (f o g ) (x)
OpenStudy (amistre64):
same concept :) we just need to insert g(x) INTO f(x) f(x) = -2x - 7 f(g(x)) = -2 (g(x)) - 7 = -2(-4x+3) - 7
OpenStudy (anonymous):
8x-1?
OpenStudy (amistre64):
8x -6 -7 = 8x -14
OpenStudy (amistre64):
gotta keep your eye on those signs :)
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OpenStudy (anonymous):
8x-13? thats one of my answer choices..8x-14 isn't
OpenStudy (amistre64):
doh!!, i forgot how to add lol
OpenStudy (anonymous):
lOl!!!
OpenStudy (amistre64):
8x - 13 will be fine then :)
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