If f(x) = 3x - 1 and g(x) = x + 2, find (f +9)(x).
2 answers:
Answer:
4x +1
Step-by-step explanation:
f(x) = 3x - 1
g(x) = x + 2,
(f +g)(x)= 3x-1 + x+2
Combine like terms
=4x +1
Answer:
(f+g)(x)=4x+1
Step-by-step explanation:
This question asks us to find (f+g)(x), which is equal to adding f(x) and g(x).
f(x)+g(x)
We know that f(x) is 3x-1 and g(x) is x+2.
f(x)=3x-1
g(x)= x+2
(3x-1)+(x+2)
Combine like terms. Add all the terms with a variable, then all the terms without a variable.
(3x+x)+(-1+2)
(4x)+(-1+2)
(4x)+(1)
4x+1
(f+g)(x)=4x+1
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