What is the domain of f(x) = cos(x)? the set of real numbers -2pi<_x<_2pi
the set of real numbers -1<_x<_1
the set of real numbers O<_x<_2pi
the set of all real numbers

Which statement best describes the polynomial

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?