## Answers

Thanks so much:).

For (f+g)(x) you would add up your two function expressions and simplify them

so (f+g)(x) = x/2 + 3x+1

= x/2 + (6x+2)/2 = (7x+2)/2

which is not what you have

suppose we use x=4

f(4)= 4/2 =2

g(4) = 13

so (f+g)(4) = 15

in my (f+g)(x) = (7x+2)/2

(f+g)(4) = (7(4)+2)/2 = 15

for (f-g)(x) you would subtract the two functions,

for (f*g)(x) you would multiply them, etc

test your answers in a similar way to the one I showed you.

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