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PLEASE HELP ASAPIF CAN!!
What is (f-g)(2})?
f(x)=3x^5+6x^2-5
g(x)=3x^5-5x^4-15

User Boaz Yaniv
by
8.6k points

1 Answer

2 votes

Answer: -46

Explanation:

First f-g (since its in parenthesis)

f(x)=3x^5+6x^2-5

- g(x)=3x^5-5x^4-15

= 0 -5x^4 +6x^2 + 10

then, sub in 2 for x

(-5x^4 +6x^2 + 10); x=2

-5(2)^4 + 6(2)^2 + 10 = -46

*can only subtract terms with the same power

User KarstenF
by
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