On a coordinate plane, an exponential function approaches y = 0 in quadrant 2 and curves up and increases in quadrant 1. What are the domain and range of the function on the graph?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Which expression is not a polynomial?

Find the solution on the interval [0, 2pi)