Answer:
A) [First try is correct for all U1 to U4]
Step-by-step explanation:
1. Trying each option
(let x = 1,2,3,4) since it goes from U1 to U4 (Geometric sequence)
A.) 10(-4/5)^x
10(-4/5)^1 = -8
10(-4/5)^2 = 6.4
10(-4/5)^3 = -5.12
10(-4/5)^4 = 4.096
Answer:
1 hour 9 minutes
Step-by-step explanation:
Equate whats inside (arguments) 
with base period of sine function 
and solve for x to get period,
So the period of the graph of the given function is precisely 2.
Hope this helps :)
Answer:
b for top and c for botam
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
The denominator of a fraction is always the bottom number, while the top number is always the numerator.
