monica7093
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can anyone help please? Will give Brainly + 25 pts

Question : Let f(x) = 2x-2 AND g(x) = 6x + 1. Write a formula for each of the following functions

A. (f+g)(x) =

B. (f-g)(x) =

C. (g-f)(x) =

D. (g+f)(x) =

Can Anyone Help Please Will Give Brainly 25 Pts Question Let Fx 2x2 AND Gx 6x 1 Write A Formula For Each Of The Following Functions A Fgx B Fgx C Gfx D Gfx class=

Sagot :

Answer:

A. (f+g)(x) means add the two functions, f and g

  since f is 2x-2 and g is 6x, you'll just add them together

  (f+g)(x)=2x-2+6x = 8x+2

B. (f-g)(x) means subtract the two functions, f and g

  since f is 2x-2 and g is 6x, you'll just subtract

  (f-g)(x)=2x-2-6x = -4x+2

C. (g-f)(x) I think you're getting the hang of it!

 =6x-(2x-2)  just be sure to put the second function in parentheses because you're subtracting the whole thing

=6x-2x+2 = 4x+2

D. (g+f)(x) try this on your own and check here

6x+(2x-2) = 6x+2x-2 = 8x-2

Step-by-step explanation:

to add or subtract functions, don't let the function notation throw you off. Pretend each one is just a number and you just add or subtract the whole thing. You got it! Next they will give you something like find (f+g)(5). All that means is add the two functions like in part a, and then in the final answer, plug in 5 instead of x. For example (f+g)(5) = 8x+2 = 8(5) +2 = 42

:)

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