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kaylay37
26.11.2020 •
Mathematics
Given the following functions:
*B(x) = 5x^4 + 8x^2 - 4x
*C(x) = -9x^4 + 4x^3 - 7x^2
*D(x) = -x^3 + 15x + 10
What is B(x) + C(x) + D(x)?
1. 14x^4 + 5x^3 + 15x^2 + 19x + 10
2. -4x^8 + 3x^6 + x^4 + 11x^2 + 10
3. -4x^4 + 3x^3 + x^2 + 11x + 10
4. 14x^4 + 3x^3 + 15x^2 + 11x + 10
Solved
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Ответ:
Step-by-step explanation:
P(x) + Q(x) = 4x^2 + 6x - 9 -7x^2 - 12x +8
x^2 terms: 4x^2 - 7x^2 = - 3x^2
x terms : +6x - 12x = - 6x
linear term: - 9 + 8 = - 1
-3x^2 - 6x - 1
Ответ:
30 - 18 = 12
30 - x = 12