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2 years ago

If f(x) = -4x2 - 6x-1 and g(x) = – x2 - 5x + 3, find (f+ g)(x).

Mathematics

2 answers:

Anastaziya [24]2 years ago

7 0

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

ziro4ka [17]2 years ago

4 0

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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