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Function Operations
Given the function `f(x)=3 x - 4` and the function `g(x) = 5x^2+7x + 10` determine each of the following.

Give your answer as a whole number or a simplified fraction.
Evaluate `f(9) + g(7)`      `f(9) + g(7) = `
 
Evaluate `g(5) - f(11)`      `g(5) - f(11) = `
 
Evaluate `f(8) * g(4)`  `f(8) * g(4) = `
 
Evaluate `g(12)/f(5)``g(12) / f(5) = `
 

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