normag214 normag214
  • 03-04-2018
  • Mathematics
contestada

Let f(x) = 3x + 2 and g(x) = x - 3. Find g(x) - f(x) and state its domain.


–2x – 5; all real numbers


2x + 5; all real numbers


2x – 1; all real numbers


4x – 1; all real numbers

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calculista
calculista calculista
  • 03-04-2018
we have that

f(x) = 3x + 2
g(x) = x - 3

[g(x) - f(x)]=(x-3)-(3x+2)--------> (x-3-3x-2)-----> -2x-5

the domain is all real numbers

the answer is
–2x – 5; all real numbers
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