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Function Operations
Given the function `f(x)=3 x - 5` and the function `g(x) = 9x^2+2x + 7` determine each of the following.

Give your answer as a whole number or a simplified fraction.
Evaluate `f(7) + g(5)`      `f(7) + g(5) = `
 
Evaluate `g(4) - f(11)`      `g(4) - f(11) = `
 
Evaluate `f(6) * g(10)`  `f(6) * g(10) = `
 
Evaluate `g(9)/f(6)``g(9) / f(6) = `
 

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