(a) How many integers in the set {1, 2, . . . , 2000} are divisible by 15 or 20? (b) Find the permutation which has the inversion sequence < 3, 4, 1, 2, 1, 0 >.

If g(x) is an odd function, which function must be an even function?

For the equations below which statement is true ?

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191