Answer:
x+11/x+9
Step-by-step explanation:
Just Cancel the common factor of x-4
Answer:
not a function
Step-by-step explanation:
if any of the x values are the same then it isn't a function
Answer:
50 degrees ( Vertically opposite)
Hope it helps
Step-by-step explanation:
Answer:
Magnitude: 3√10
Direction angle: 71.56°
Step-by-step explanation:
The magnitude ||v|| of a vector <a,b>, would be:





The vector's reference angle would be:





If
is your reference angle, then your direction angle ∅ depends on what quadrant the vector is located in. Since <3,9> is located in Quadrant I, then ∅=
, which means your direction angle is also 71.56°