taiwan-gsat 2007 Q1

taiwan-gsat · Other · gsat__math Proof Computation of a Limit, Value, or Explicit Formula
1. Let $f(x) = ax^6 - bx^4 + 3x - \sqrt{2}$, where $a, b$ are non-zero real numbers. Then the value of $f(5) - f(-5)$ is
(1) $-30$
(2) $0$
(3) $2\sqrt{2}$
(4) $30$
(5) Cannot be determined (depends on $a, b$)
& 4 & \multirow{2}{*}{A} & 12 & 1 & \multirow{2}{*}{F} & 32 & 2
1. Let $f(x) = ax^6 - bx^4 + 3x - \sqrt{2}$, where $a, b$ are non-zero real numbers. Then the value of $f(5) - f(-5)$ is\\
(1) $-30$\\
(2) $0$\\
(3) $2\sqrt{2}$\\
(4) $30$\\
(5) Cannot be determined (depends on $a, b$)