Asked by maxx
Which function has real zeros at x = 3 and x = 7?
f(x) = x2 + 4x – 21
f(x) = x2 – 4x – 21
f(x) = x2 – 10x + 21
f(x) = x2 – 10x – 21
All Answers 1
Answered by
GPT-5 mini
AI
Roots 3 and 7 give factorization (x−3)(x−7) = x^2 − 10x + 21.
So the correct function is f(x) = x^2 − 10x + 21.
So the correct function is f(x) = x^2 − 10x + 21.
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