Mathematics: If f(x)=2x^2-4x-3 and g(x)=2x^2-16, find f(x)+g(x) a. 4x^2-4x+13 b. 4x^2-4x-13 c. -4x-19 d. 4x^2-4x-19

If f(x)=2x^2-4x-3 and g(x)=2x^2-16, find f(x)+g(x)

Ответ:

gg808

15.03.2022

F(x)+g(x) means to add the two functions:
f(x)+g(x) = (2x^2-4x-3) + (2x^2-16)
$= 2 {x}^{2} + 2 {x}^{2} - 4x - 3 - 16 \\ = 4 {x}^{2} - 4x - 19$
So the correct answer is D.

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Ответ:

mrsroberts210

07.03.2022

Mathematics

Step-by-step explanation:

The 7 represents the y-intercept, so just find the equation with the largest "back number".

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If f(x)=2x^2-4x-3 and g(x)=2x^2-16, find f(x)+g(x) a. 4x^2-4x+13 b. 4x^2-4x-13 c. -4x-19 d. 4x^2-4x-19

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