Mathematics, 07.05.2021 01:00, brackendillman

1. simplify the radical expression. sqrt 3 + 4 sqrt 3 A. 5 sqrt 6
B. 5 sqrt 3
C. 3 sqrt 6
D. 3 sqrt 3

2. What is the domain of the function?
y = sqrt 5x - 10

A. x (greater than or equal to) -2
B. x (less than or equal to) -2
C. x (greater than or equal to) 2
D. x (less than or equal to) 2

3. Simplify the radical expression by rationalizing the denominator.
sqrt 8 / sqrt 6x

A. 2 sqrt 3x / 3x
B. 2 sqrt 2x / x
C. x / sqrt 6x / 3x (hopefully I typed this one out right)
D. 4 sqrt 3x / 3x

4. The table shows the number of hours that a group of teammates spent in their first week of training for the swimming finals. In the second week, they each add 4 hours to their training times. What are the mean, median, mode, and range of the times for the second week?

Danielle - 10
Jesse - 8
Julie - 12
Alan - 6
Adam - 5
Bob - 4
Marianne - 10

Please help lol I'm on the test rn and I'm struggling with these 4. I answered everything else but I can't get a bad grade on this

Answers: 2

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1. simplify the radical expression. sqrt 3 + 4 sqrt 3 A. 5 sqrt 6
B. 5 sqrt 3
C. 3 sqrt...