1. \( f(6)+f(-2) \) is equal to (A) 16 (B) \( \frac{20}{3} \) (C) \( \frac{10}{3} \) (D) 10 12. If \( 1 \leq x \leq 4 \) then the incorrect relation is given by (A) \( f(x)=x^{2}-5 x \) (B) \( f(x)-5 \)

Question

1. \( f(6)+f(-2) \) is equal to (A) 16 (B) \( \frac{20}{3} \) (C) \( \frac{10}{3} \) (D) 10 12. If \( 1 \leq x \leq 4 \) then the incorrect relation is given by (A) \( f(x)=x^{2}-5 x \) (B) \( f(x)<0 \) (C) \( f ( x ) \leq-4 \) (D) \( f(x)>-5 \)