Acoach purchases 47 hats for his players and their families at a total cost of $302. the cost of a small hat is $5.50. a medium hat costs $6.00. a large hat costs $7.00. he purchases three times as many medium hats as small hats. using matrices, how many large hats did the coach purchase? a. 6 b. 11 c. 18 d. 23

Which of the following graphs represents the function f(x) = 2^x

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1