Question

Let f(x)=3x-7 and g(x)=2x². Perform the function operation and then find the domain of the result.

Answer 1

Answer: A

Step-by-step explanation:

$f(x)=3x-7\\g(x)=2x^2$

$(f-g)(x)=3x-7-(2x^2)\\(f-g)(x)=3x-7-2x^2\\(f-g)(x)=-2x^2+3x-7$