Linear & Nonlinear Functions

Question

Question 1
Which table of values appears to show a linear function?
Responses
A A onlyA only
B C onlyC only
C A and BA and B
D A and CA and C
Question 2
Which set of values appears to show a nonlinear function?
Responses
A (1, 1), (2, 4), (3, 9), and (4, 16)(1, 1), (2, 4), (3, 9), and (4, 16)
B (2, 5), (3.5, 8), (4, 9), and (4.5, 10)(2, 5), (3.5, 8), (4, 9), and (4.5, 10)
C (1, 2), (2, −1), (4, −7), and (6, −13)(1, 2), (2, −1), (4, −7), and (6, −13)
D (−2, 3), (8, −2), (10, −3), and (20, −8)

Answer 1

Question 1:
The table of values that appears to show a linear function is option A, A only.

Question 2:
The set of values that appears to show a nonlinear function is option B, (2, 5), (3.5, 8), (4, 9), and (4.5, 10).