(x,y)
domain is inputs (normally x or first number)
range is outputs from the given domain (normally y or second number)
domain is just all the first numbers
range is all the second numbers
ignore repeats
domain: {0,4,5}
range: {2,3,5,7}
Answer:
a = 127°
Step-by-step explanation:
The 3 angles lie on a straight line and have a sum of 180°, that is
15° + a + 38° = 180°
53° + a = 180° ( subtract 53° from both sides )
a = 127°
Answer:
46.25% is the percent of the change in the price of a cell phone from 2000 to today.
Step-by-step explanation:
Cost of a cell phone in the year of 2000. C= $240
Cost of a same cell phone today, C'= $129
The percent of the change in price:
:

46.25% is the percentage of the change in the price of a cell phone from 2000 to today.