19.0k views
4 votes
Help me please!
f(x) = 2x^2 + 4x - 5
g(x) = 6x^3 - 2^x2 + 3
find ( f + g)(x)

User CCSJ
by
4.5k points

2 Answers

0 votes

Answer:

The correct answer is -6x^3 + 4x^2 + 4x - 8

Explanation:

User Agartland
by
4.2k points
0 votes

Answer:

6x³ + 4x - 2

Explanation:

note that (f + g)(x) = f(x) + g(x) , so

f(x) + g(x)

= 2x² + 4x - 5 + 6x³ - 2x² + 3 ← collect like terms

= 6x³ + 4x - 2

User Hans Lub
by
4.6k points