Two functions f and g represent the profit of two companies, in millions of dollars, about 13 years after they went into busines
s. Their observed profits for a small time period x are shown in the table. Which is the closest approximation of the time where the two companies have equal profit or loss?
13.253 years
2.3435 years
13.256 years
0.1207 years
13.253 years
2.3435 years
13.256 years
0.1207 years
1 answer:
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Answer:
x= -2, y = -3
Step-by-step explanation:
1. substitute x = 4+2y in the first equation:
simplify it :
2. isolate y in 8 + 5y = -7 --> 5y = -7 - 8 -->
3. solve for y: 5y = -15 --> y = -15/5 --> y= -3
4. solve for x: x = 4 + 2y
x = 4 + 2(-3)
x = 4 + (-6)
x = -2