About Lesson
14.9 Rational Quadratic Functions 代数式的最大值和最小值
(1)
Find the maximum and minimum values of function f (x) = , where xR.
求函数f (x) = , 其中 xR的最大值和最小值.
Answer:
3,
(2) Find the possible range of values of if x is real.
若x 是实数求 的可能范围。
Answer:
0, 1
(3) Find the range of where is real for xR.
若为实数当 xR,求 的范围
Answer:
(4) Find the range of where is real for xR.
若 为实数当 xR,求的范围.