Answer:
C
Step-by-step explanation:
Given
m + 5 = 17 ( subtract 5 from both sides )
m = 12 ( multiply both sides by 3 to clear the fraction )
2m = 36 ( divide both sides by 2 )
m = 18 → C
V² - 2v = 3
v² - 2v - 3 = 0
v = <u>-(-2) +/- √((-2²) - 4(1)(-3))</u>
2(1)
v = <u>2 +/- √(4 + 12)</u>
2
v =<u> 2 +/- √16</u>
2
v = <u>2 +/- 4</u>
2
v = <u>2 + 4</u> v = <u>2 - 4</u>
2 2
v = <u>6</u> v = <u>-2</u>
2 2
v = 3 v = -1
A) is not a function because you have two X values of -1
B) is not a function because you have two X values of -2
C) is not a function because you have two X values of 0
D) This is a function because all X values are different.