Q1
All real Numbers
Q2
4th degree
Q3
-3x^5
Q4
9
Q5
Both ends --> +∞ {UP}
Q6
Left up, right down
Q7
Odd degree, positive leading coefficient: Right up, left down
Q8
Even degree, negative leading coefficient: Both ends down
Q9
x = 3 or x = −3.
Q10
x=−2,3.
Q11
x = 0 , x = 4.
Q12
f′(x) = 3x^2 − 12x
Q13
f'(x) = 3x^2 −12x = 3x (x−4) ----> x = 0 or x = 4
Q14
- - -
Loss 5 Points
- - -
Q16
- - -
