Question

Which type of transformation could cause a change in the period of a tangent or cotangent function? vertical shift phase shift vertical stretch horizontal stretch

Answer 1

letter D Horizontal stretch

Explanation:

Answer 2

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.