The temperature was -5 degrees celsius at 6:00 am. It increased 3/4 degree every hour for 6 hours. The temperature then increased 1 1/2 degrees every hour for 5 hours. What was the temperature at 5:00 pm?

3. (5x + 1) - (-10x + 6)

simplify the answer choice. combine like terms. remember to distribute the negative to the terms inside the second parenthesis. also remember that two negatives = one positive, and one of each sign = negative.

- (-10x + 6) = + 10x - 6

simplify. combine like terms:

5x + 1 + 10x - 6

5x + 10x + 1 - 6

15x - 5

∴ it is your answer

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your answer is #3 , 8 - 3 square root of 11