You can put this solution on YOUR website! Given the function f(x)=6x+7
f(3)= 6*3 + 7 = 18+7 = 25
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f(-4)= 6*-4 + 7 = -24 +7 = -17
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f(6.2) = 6*6.2 + 7 = 44.2
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Cheers,
Stan H.