For the function f(x)=3x+2\displaystyle {f{{\left({x}\right)}}}={3}{x}+{2}f(x)=3x+2, evaluate and simplify.
You will get it wrong if you do not simplify.
f(x+h)\displaystyle {f{{\left({x}+{h}\right)}}}f(x+h) = Preview Question 6
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