What is the answer for this problem? the revenue from selling x shirts is r(x)=12x. the cost of buying x shirts is c(x)=5x+20. the profit from selling x shirts is p(x)=r(x)-c(x) what is p(x)? a. p(x)=7x+20 b. p(x)=7x-20 c. p(x)=17x-20 d. p(x)=17x+20

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?