Answer:

Step-by-step explanation:
To find the inverse of a function, what I like to do is to switch the places of x and y, and then try to isolate y again like so:



Hope this helps!
Answer:
Step-by-step explanation:
if there are 14 boys to 9 girls in a class the ratio would be
14:9
Answer:
Step-by-step explanation:
Answer:
1.08×10^11
Step-by-step explanation:
1.08 times 10 to the power of 11
B will be your best answer
The amount of points increase ~20 points each hour
just look at the point placements, and the amount each point is worth
also note that the bottom is by half hours, not hours
hope this helps