49.3k views
2 votes
If f(x) = –x2 + 3x + 5 and g(x) = x2 + 2x, which graph shows the graph of (f + g)(x)?

2 Answers

2 votes

Answer:

D on edge

Explanation:

User SamBeran
by
4.1k points
3 votes

Answer:

Explanation:

hello,


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

this is a line, graph below

hope this helps

If f(x) = –x2 + 3x + 5 and g(x) = x2 + 2x, which graph shows the graph of (f + g)(x-example-1
User Tim Potter
by
4.1k points