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Find the difference of the two functions

Find the difference of the two functions-example-1

2 Answers

6 votes

Answer:

Fourth option is the correct answer


(f - g)(x) = 3 {x}^(2) + 6x - 3

Explanation:


f(x) = 3{x}^(2) + 7x \\ g(x) = x + 3 \\ \\ (f - g)(x) = f(x) - g(x) \\ = 3{x}^(2) + 7x - (x + 3) \\ = 3{x}^(2) + 7x - x - 3 \\ \purple{ \bold{ (f - g)(x) = 3 {x}^(2) + 6x - 3 }}

User Yevgeniy Logachev
by
8.4k points
1 vote

Answer:

I thought fourth option because there is only one square

User Cody Brown
by
7.3k points