1. (5) let a ={q, r, s, t) and b= {17, 18, 19, 20}; . determine which of the following are functions. explain why or why not. a. fsa x b, where f-(q,17), (r,18), (s, 19), (s, 20)) b. gsax b, where g - [(q, 17). (s, 19), (t, 18), (r,20)) h a x b, where h = {(q, 17), (r, 20), (s, 19), (t, 20)) c, d. ksbx b, where k ((17,17), (18, 17). (19,20), (20,18)) 1 axa, where l={(q, r), (r, , r), (t, t)} e.

a

step-by-step explanation:

im pretty sure its

(8,15)

step-by-step explanation:

$2416.6

step-by-step explanation:

per hour = $ 25

total work time = 35

commission = 15%

total she has to make = $ 4,500

let she sold x dollar products

so her commission will be 15 % of x

now

total = weekly basic pay + commission

4500= (25*35) + 15 % of x

4500=875 + * x

4500-875 =   * x

3625= * x

multiplying wwith 100 on both sides gives

36250 = 15 x

now

x =  

x= $2416.6

here is a big fat