Based on the graph, which statement BEST describes what is happening to the temperature over time?( picture 1 )
A. The temperature rises 10 degrees over 3 hours.
B. The temperature rises 10 degrees over 6 hours.
C. The temperature rises 40 degrees over 3 hours.
D. The temperature rises 50 degrees over 6 hours.

2. Pearl lives 6 miles due north of the post office, and Belle lives 8 miles due west of the post office. What is the straight line distance between their homes?

(It makes a right triangle so use the Pythagorean Theorem)
A. 8 miles
B. 10 miles
C. 12 miles
D. 114 miles

3. A function has a domain of {1, 3, 5, 7} and a range of {2, 4, 6}. Which set of ordered pairs represents this function?
A. {(1, 2), (3, 4), (5, 6), (7, 2)}
B. {(1, 2), (3, 6), (5, 4), (5, 2)}
C. {(1, 2), (3, 2), (5, 2), (7, 2)}
D. {(1, 4), (3, 4), (5, 6), (7, 6)}

Based on the graph which statement BEST describes what is happening to the temperature over time picture 1 A The temperature rises 10 degrees over 3 hours B The class=

Respuesta :

1. A.
None of the other answers, looking at the graph, make sense.

2. B.
Used distance formula.
sqrt[(0+8)^2 + (6-0)^2]
sqrt[8^2 + 6^2]
sqrt[64 + 36]
sqrt[100]
10

3. A.
Domain = x
(1,0) , (3,0) , (5,0) , (7,0)
Range = y
(0,2) , (0,4) , (0,6) , (0,2)
{(1,2) , (3,4) , (5,6) , (7,2)}