Answer:
Step-by-step explanation:
8 is not a function
9 is a function
10 is a function
Answer:
The second one
Step-by-step explanation:
N an acute angle is 90 degrees or less and 90 + 90 is 180 and an obtuse angle is always more than 90 and always less than 180
Answer:
14
Step-by-step explanation:
2(5)+4
10+4
14
Answer: 90 degrees clockwise
This is equivalent to 270 degrees counterclockwise
The rule for either rotation is
The x and y coordinates swap places, and the new second coordinate flips from positive to negative (or vice versa).
The diagram below shows an example of this for the point (-4,-2) rotating to (-2, 4). The center of the rotation is the origin (0,0).