This table shows the input and output values for a linear function f(x).

What are the differences of outputs for any two inputs that are 1 apart?

1.) −30

2.) −25

3.) 1

4.) 20


Table=

x ===========f(x)

​−2==========20
​−1 ​==========−5
0 ===========​−30
1 ​============−55
2 ===========​−80