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Function Operations
Given the function `f(x)=5 x - 3` and the function `g(x) = 5x^2+9x + 31` determine each of the following.

Give your answer as a whole number or a simplified fraction.
Evaluate `f(7) + g(9)`      `f(7) + g(9) = `
 
Evaluate `g(11) - f(6)`      `g(11) - f(6) = `
 
Evaluate `f(2) * g(5)`  `f(2) * g(5) = `
 
Evaluate `g(8)/f(10)``g(8) / f(10) = `
 

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