The cost (C) in dollars for renting a hall for an upcoming event is given by the formula C(n)=400+5n where n is the number of people attending the event.

a) Calculate the the cost of renting the hall if 117 people attended.

b) How many people attended the dance if it cost 845$?

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

The table below shows the function f. determine the value of f(3) that will lead to an average rate of change of 19 over the interval [3, 5]. a. 32 b. -32 c. 25 d. -25