Graph the trigonometric function. y=2cot2x
Start by drawing two consecutive asymptotes. Between those asymptotes, plot three points: a point where the graph intersects the -axis, a point to its left, and a point to its right.

What is the length of the unknown leg in the right triangle ?

Find the domain of the following expression: 1/(√x)-2

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )