If f(x) = -4x2 - 6x-1 and g(x) = – x2 - 5x + 3, find (f+ g)(x).
2 answers:
Answer:
-5x^2 -11x +2
Step-by-step explanation:
f(x) = -4x^2 - 6x-1
g(x) = – x^2 - 5x + 3,
Add them together
f(x) = -4x^2 - 6x-1
+ g(x) = – x^2 - 5x + 3,
-----------------------------------
-5x^2 -11x +2
Answer:
- 5x² - 11x + 2
Step-by-step explanation:
(f + g)(x) = f(x) + g(x)
f(x) + g(x)
= - 4x² - 6x - 1 + (- x² - 5x + 3)
= - 4x² - 6x - 1 - x² - 5x + 3 ← collect like terms
= - 5x² - 11x + 2
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