What are the amplitude, period, and midline of f(x) = -4 cos(2x - y) + 3 1) Amplitude: -4; period: pie/2 ; midline: y = -4

2) Amplitude: -4; period: pie; midline: y = -4

3) Amplitude: 4; period: pie; midline: y = 3

4)
Amplitude: 4; period: pie/2 ; midline: y = 3

What is 6/10 rounded to the nearest half

Suppose you are analyzing the relationship between time and distance given in a table,and there are 4 values for each quantity.you divide distance 2 minus distance 1 by time 2 minus time 1.you then divide distance 4 minus distance 3 by time 4 minus time 3 and get a different answer.what can you say about the relationship?

If three points are collinear, they are also coplanar