Answer:
x∈{-7√2, 7√2}
Step-by-step explanation:

Answer:
Step-by-step explanation:
hello :
the n-ieme term is : An=A1×r^(n-1)
A1 the first term r : the common ratio
in this exercice : A1 =15 r = 1/3 n = 4
A4=15×(1/3)^(4) =15×4^4 =3840
Answer:
=
Step-by-step explanation:
Answer: The parabola opens upwards.
Step-by-step explanation:
10.25 hours on average
8+12+12+9=41
41/4= 10.25