Answer:
Step-by-step explanation:
20x^2+28x+8
Answer: 5x(x+3)
Step-by-step explanation: hope this helps
Answer:
Step-by-step explanation:
4 workers × 5 hours = 20 worker-hours
Each vehicle requires 1 worker-hour
For five workers it will take four hours
We know that the line is tangent at the point (2,8)
The derivative of the function at x=2 is

So, the tangent line passes through the point (2,8) and has slope 2. The equation is

This line crosses the x axis where y=0:
