Concentration of Saltis: 755157

Concentration of Saltis:

Question 1

7

  1. The sketch of the piece wise function, f(x) is shown below:

3

Question 2

Using the sign of gradient (derivative), we can tell if the function is decreasing, increasing or is at maximum/minimum.

8

If f(x) is… Then f’(x) is…
Increasing Positive
Decreasing negative
Maximum/Minimum Zero

a) 4

 

b) 5

 

c) 6

 

Question 3

 

9

10

 

Question 4

 

11