Which statement is correct about y = cos–1 x? a) if the domain of y = cos x is restricted to (0,π), y = cos-1 x is a function. b) regardless of whether or not the domain of y = cos x is restricted, y = cos–1 x is a function. c) if the domain of y = cos x is restricted to (-π/2, π/2), y = cos-1 x is a function. d) regardless of whether or not the domain of y = cos x is restricted, y = cos–1 x is not a function.

Medium sodas cost $1.25 and hot dogs cost $2.50. natalie’s group brought in pizzas but is buying the drinks at concession stand. how many medium sodas can natalie’s group buy with $20? make a table to show answer.

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .