When x increases from a to a + 2 y increases by a difference of 6

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.