Question

Which function has real zeros at x = 3 and x = 7?
f(x) = x2 + 4x - 21
O f(x) = x2 - 4x – 21
Of(x) = x2 – 10x + 21
O f(x) = x2 – 10x - 21

Answer 1

Answer:

f(x) = x^2-10x+21

Step-by-step explanation: