1- not a function; 3 in the domain is repeated
2- a function
3- a function
4- a function
Answer:$18.75
Step-by-step explanation:
First, find how much they get paid for working half a hour by dividing 9 from 41.25 to get 3.75.
Then, multiply 3.75 by 5 to get 18.75.
Eric's share is $18.75.
Answer:
x < -6
Step-by-step explanation:
-5x - 8 > 22
Add 8 to both sides: -5x > 30
Divide both sides by 5: -x > 6
Divide both sides by -1 (reverse sign): x < -6
Answer:
$175
Step-by-step explanation:
susan babysit for 2×4+6=14 hours a week
so she works 14×5=70 hours in 5 weeks
in a hour she earn $2.50
in 70 hours she earn 2.50×70=$175