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10 votes
10 votes
Find f(−1) if f(x)= x^2-6x/x+2

Help please!

User Andrei Luksha
by
2.7k points

1 Answer

8 votes
8 votes

Answer:

f(-1)=6

Explanation:

If
f(x)=(x^2-6x)/(x+2), then f(-1) is found by substituting (-1) for x in the function:


f(-1)=((-1)^2+6(-1))/((-1)+2)

Simplify:


f(-1)=(1+5)/(1)\\f(-1)=6

User Jake Greene
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2.7k points