(A) 3
(B) 4
(C) 6
(D) 12
(E) 18
29 . If f(x) = ax^2 + bx + c, f(−1) = −18, and f(1) = 10, what is the value of b?
(A) −12
(B) −4
(C) 14
(D) 21
(E) 2830 . What is the domain of the function ?
(A) −1.73 ≤ x ≤ 1.73
(B) −1.32 ≤ x ≤ 1.32
(C) x > 1.32
(D) x > 1.73
(E) All real numbers