Answer:
D. 
Step-by-step explanation:
A square root can't be evaluated if the number we want to find the square of is nagative.
Answer:
what region
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
Step-by-step explanation:
a. f(-4)= 2
b. f(0) = 0
c. f(3) = -1.8
d. f(-5) = 0
e. f(x) = -2 => x = 2
f. f(x) = 0 => x = 0 or -5
12 times / 5 seconds * (60 seconds / 1 min) = 144 times / min