Welcome to Westonci.ca, your go-to destination for finding answers to all your questions. Join our expert community today! Discover comprehensive answers to your questions from knowledgeable professionals on our user-friendly platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

if f(x) = -5^x -4 and g(x) = -3x - 2 find (f-g)(x).

A. (f-g)(x) = -5^x + 3x -2
B. (f-g)(x) =5^x -3x+2
C. (f-g)(x) = -2x-2
D. (f-g)(x) = -5^x-3x-6


Sagot :

9514 1404 393

Answer:

  A.  (f-g)(x) = -5^x +3x -2

Step-by-step explanation:

The only terms that can be combined are the constants.

  (f -g)(x) = f(x) -g(x)

  (f -g)(x) = (-5^x -4) -(-3x -2) = -5^x -4 +3x +2

  (f -g)(x) = -5x^4 +3x -2 . . . . . matches A