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OpenStudy (anonymous):
f(x)=x, if x is even 2x, if x is odd what is the value of f(8) +f(9)
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OpenStudy (anonymous):
Since 8 is even and 9 is odd: \[ f(8)=8\\ f(9)=2(9)=18\implies\\ f(8)+f(9)=8+18=26 \]
OpenStudy (anonymous):
f(8) = 8 and f(9) = 18 so f(8) + f(9) = 8 + 18 = 26
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