Answer:
f-1(3)=-2x+6
Step-by-step explanation:
Answer: Second Option

Step-by-step explanation:
The probability sought is calculated by calculating the quotient between the number of possible ways to select 4 seniors from a group of 4 seniors among the number of ways to select 4 seniors from a group of 10 people.
So:

Where

is the number of ways in which a number r of people can be selected from a group of n people
Then

Check the picture below.
notice the red rise/run slopes, are the same, thus those two lines are parallel, and also notice the green one for the other two lines, meaning both pair of lilnes are parallel.
Answer:
7.31 x 10^-2
Step-by-step explanation:
scientific notation multiplies a number between 1 and 10 by a power of ten