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What is the value of "k" in the function f(x) = 112 - kx if f(-3) = 121
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What is the value of "k" in the function f(x) = 112 - kx if f(-3) = 121

User Marco Arruda
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If f(x)=112 -kx and f(-3)= 121, that means

112-k(-3)=121

112+3k=121

3k=9

k=3
User Naseeb
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