Answer:
A
Step-by-step explanation:
In this function, the domain, or the x value, has no limits. You can substitue any value of x into (x^2-4) and any result is valid.
I hope this helped!
They are not the same thing.
Yes your answers are correct
Answer:
Time in seconds when the ball is 4 feet above the ground is:
t= 0.6 and 2.9.
Use ratio and proportion
5.25/x= 82/100
cross multiply
82 x= 525
x= 6.4 miles
Hope this helps