Write a cosine function that has a midline of 4, an amplitude of 2 and a period of .

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120