determine the domain of f(x)=2/(x-8)(x+7)

Question

determine the domain of f(x)=2/(x-8)(x+7)

Answer 1

I assume you meant

 

f(x) = 2 / [(x - 8)(x + 7)]

 

(Please use brackets.)

 

Note the denominator is zero at x = 8 and x = -7, so the domain is all real numbers except 8 and -7.