Answer :
The difference of the functions, f(x) = 3x² + 4x - 6 and g(x) = 6x³ - 5x² - 2, is: D. (f - g)(x) = -6x³ + 8x² + 4x - 4.
How to Find the Difference of Two Functions?
Finding the difference of two functions involves combining like terms together and then simplify.
Given the functions:
f(x) = 3x² + 4x - 6
g(x) = 6x³ - 5x² - 2
To find (f - g)(x), it implies that we find the difference between f(x) and g(x).
(f - g)(x) = f(x) - g(x)
Substitute
f(x) - g(x) = (3x² + 4x - 6) - (6x³ - 5x² - 2)
Open the parentheses:
f(x) - g(x) = 3x² + 4x - 6 - 6x³ + 5x² + 2
Combine like terms
f(x) - g(x) = - 6x³ + 8x² + 4x - 4
Therefore, the answer is: D. (f - g)(x) = -6x³ + 8x² + 4x - 4
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