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Find f(−1) if f(x)= x^2-6x/x+2 Help please!
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4 votes
Find f(−1) if f(x)= x^2-6x/x+2

Help please!

User Semekh
by
6.9k points

1 Answer

3 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 Tcovo
by
6.4k points
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