question_answer 1)

Find the interval is which f(x) = 2x2 – 3x is (a) strictly increasing (b) strictly decreasing.  

Answer:

f(x) = 2x2 ? 3x       f?(x) = 4x ? 3       f?(x) = 0       Intervals are       When       and when       (a)  is strictly increasing in       (b) f(x) is strictly decreasing in