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Karlie Finley
Mathematics
4 January, 14:29
If f (x+5) = x^2+kx+30 what is K equalled to?
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Amiya Patterson
4 January, 14:34
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9 = 2^2 - 2k - 3 9 = - 2k + 4 - 3 9 - 4 + 3 = - 2k 8 = - 2k Divide by - 2 k = - 4
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Renee Murillo
4 January, 14:35
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F (x+5) means for every x, it is x+5
ok so since it is 2nd degree, we do exponent
f (x) = x^2
f (x+5) = (x+5) ^2=x^2+10x+25
we need 5 more
f (x) = x^2+5
f (x+5) = x^2+10x+25+5=x^2+10x+30
k=10
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