Answer:
B) 5 hours
Step-by-step explanation:
First, find the amount of mph between 60 and 80:
80 - 60
= 20 mph
Since the speed increases 4 mph per hour, we can find how long it will take to get to 80 mph by dividing 20 by 4:
20/4
= 5
So, the correct answer is B, 5 hours
Answer:
Step-by-step explanation:
Given: 
To find: 
Solution:
A relation is said to be a function if each and every element of the domain has a unique image in the co-domain.
Inverse of a function exist if it is both one to one and onto.
Answer:
See below.
Step-by-step explanation:
A correct.
B correct.
C correct.
D correct.
E incorrect.
F correct.
G incorrect.
H correct.
I incorrect.
J incorrect.
K correctt.
-hope it helps
See https://web2.0calc.com/questions/i-m-confused_17.
