Answer:
The answer is C
Step-by-step explanation:
Domain of f = R .............
Answer:
2 ( x+3) (x+1)
Step-by-step explanation:
2x^2+8x+6
Factor out a 2
2(x^2 +4x+3)
Factor in side the parentheses
What multiply to 3 and adds to 4 (3(1=3 3+1 =4)
2 ( x+3) (x+1)
20 meter per second= 1200 m/h=1.5km/h
The time is 1300: 1.5 =866.66
That’s like a 45 degree angle