Given two functions f(x)=2x+1 and g(x)=−13x−3 , what is the function rule for (f+g)(x)
2 answers:
Answer:
(f+g)(x)=5/3x−2
Step-by-step explanation:
(f+g)(x)=f(x)+g(x)
f(x)=2x+1 + g(x)=−1/3 x−3
add like terms
2x+(-1/3 x)=5/3 x
1+(-3)= -2
so...
(f+g)(x)=5/3 x−2
Answer:
- 11x - 2
Step-by-step explanation:
note that (f + g)(x) = f(x) + g(x)
f(x) + g(x)
= 2x + 1 - 13x - 3 ← collect like terms
= - 11x - 2
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