asked 194k views
1 vote
Which set represents the zeros of the function f(x) = 7x2 – 28x + 21?

asked
User Mfperzel
by
8.6k points

1 Answer

4 votes

Answer:

change f(x) to 0 than 7*2x=14x

0=14x-28x+21

0=-14x+21

-21=-14x

x=3/2

answered
User Suku
by
7.9k points
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