2. A function y = 6sin (x-π / 3) cos (x −π / 3) - 1, where 0 ≤ x ≤3π / 2 a. Find all stationary points
b. Find all the extreme values.
c. Find the increasing function interval and the decreasing function interval
d. Check interval of concave (concave up and concave downward)

if your solving for y the answer would be y= - 3sin(2x)+3cos(2x)X√3 -1,x∈R /2

Step-by-step explanation:

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she will sew have sewn five dresses   and be 1/3 done with the sixth one in an hour.

step-by-step explanation:

3/4 of an hour=45 mins

lucy makes 1 dress per 11.25 minutes

45 mins+11.25 mins=56.25 mins

60 mins- 56.25 mins=3.75 mins

3.75 mins is 1/3 of of 11.25 mins

therefore she the other 1/3 would be part of the hour and she will have sewn 5 dresses and begun the sixth.

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