HW #106 Answers:
1. linear
1st Difference: 3
y = 3x - 7
2. quadratic
2nd Difference: -2
y = -x2 - 8x + 6
3. quadratic
2nd Difference: 6
y = 3x2 + 4x - 2
4. linear
1st Difference: -4
y = -4x + 5
5. Neither
6. quadratic
2nd Difference: 2
y = x2 - 4
Mixed Review:
a. -13
b. 9.5
c. 15x + 2
d. 5x + 32