The equation is d=12m for amount you earn is 12 dollars per mow sesion.
12x10=120 after 10 times mowing you earned $120 (not bad)
The common ratio between terms is 3, so the sequence has general
-th term

for
. The term exceeds 7000 when

which means the first time
exceeds 7000 occurs when
. Indeed,

while the previous term would have been

Answer: -1410
Step-by-step explanation:
Let's start by subbing in -4 for x

Now we can solve
