sequence and function

20, 12, 4, -4, -12 is ......

• linear sequence

• non linear sequence

10, 7, 1, -8, -20, ... is....

• linear sequence

• non linear sequence

the first three terms of a sequence if the first term is 5 and the term-to-term rule of its sequence is subtracted 2 then squared is.....

• 5, 9, 49

• 5, 4, 1

• 5, 9, 81

• 5, 16, 25

find the first 3 terms of a sequence if the first term is 3.5 and the term-to-term rule is add 0.7

• 3.5, 4.2, 4.9

• 3.5, 3.7, 9.4

• 3.5, 3.2, 3.9

• 3.5, 3.7, 3.9

the nth formula of sequence 5, 7, 9, 11, ... is....

• n+3

• 2n+3

• 2n-3

• 3n+2

6, 10, 15, 21, 28, 36,... is...

• linear sequence

• quadratic sequence

find the nth formula of the sequence 4, 7, 12, 19, 28

find the blank space

• 11, 12

• 10, 11

• 11, 13

• 11, 14

fill the blank space

the equation of the function machine is