Answer:
Last Option: (-∞, 4) U (4, ∞)
Step-by-step explanation:
Domain is the set of x-values that can be inputted into function f(x).
We see that our x-values span all numbers except x = -4. Therefore, it is not included in our domain:
(-∞, 4) U (4, ∞)
Answer:
v= 6.4
Step-by-step explanation:
Answer:
29 inches
Step-by-step explanation:
pythagoras theorem : 20^2 + 21^2 = \sqrt{841}
