Which function describes the arithmetic sequence shown?
−4, 0, 4, 8, 12, 16,
a) ƒ(x) = 4x + 8
b) ƒ(x) = 4x − 8
c) ƒ(x) = −4x + 8
d) ƒ(x) = −4x − 8

F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright

How to do this , and can some one explain

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove