I believe 23064 would be his total earnings of last year.
(x + 9)(x + 12) = 0
Expanding the brackets, we get:
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
Subtraction then division is the answer .
I hope it is useful to you and you mark it as brainliest ,what do you say
