Profit is a result of revenue minus cost. A new company calculated a revenue model of R(x) = 1 x , and a cost model of C(x) = 2 x − 18 , where x is the number of items sold and the revenue and cost are measured in thousands of dollars. How many items does the company need to sell to make a profit of 2 thousand dollars?

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g