If f(x) = –x2 + 3x + 5 and g(x) = x2 + 2x, which graph shows the graph of (f + g)(x)?
Asked by maham237 @ in Mathematics viewed by 413 People
Answered by maham237 @
Answer:
Its the graph at the bottom right.
Step-by-step explanation:
Adding f(x) and g(x) we get
-x^2 + 3x + 5 + x^2 + 2x
= 5x + 5 = (f+ g)(x)
This has a slope of 5 and a y-intercept of 5, so its bottom right graph.
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