A density All members are below 80 years old
25 members are below 20 years old
9 members are above 65 years old.
a) Complete the histogram
b) Work out the total number
of members of the club.

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone.which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.