Topic 1.1 to Topic 2.2

​ (a)   functions have ​ (b)   ​rate of change. Also, ​ (c)   difference is constant for equal length input value interval. The change in the rate of change of linear functions is equal to ​ (d)   .

• Linear
• constant
• first
• zero
• second

concavity

• concave up only

• concave down only

• both concave up and down

• none

concavity

• concave up only

• concave down only

• both concave up and down

• none

• 1

• 2

• 3

• 4

• 4

• 8

• 12

• Cannot be determined

• 4

• 6

• 8

• 10

• I only.

• II only.

• I and II only.

• I and III only.

• I, II, and III