This is true. you don't need to provide a counterexample
It's suppose to be -18 so I guess no real number....
The horizontal stretch is the correct answer. A period is the distance on the x-axis that it takes for the tangent or cotangent function to repeat itself. Stretching it out horizontally will lengthen that distance and therefore change the period.
Answer:
76.9
Step-by-step explanation:
5= d/t = 1000m/135 =76.9
