50. Suppose \( f \) is continuous on the closed interval \([0,4]\) and suppose \( f(0) = 1 \), \( f(1) = 2 \), \( f(2) = 0 \), \( f(3) = -3 \), \( f(4) = 3 \). Which of the following statements about the zeros of \( f \) on \([0,4]\) is always true?
Answer is: option2
Solution:
.
