1. f(x) = 9x^2 - 3 Find the vertex
2 answers:
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Given:
Schaum's earnings in a month =
His wife's earnings in a month =
Where x is the number of working days in a month.
To find:
The total earnings in a month.
Solution:
We know that,
Total earnings = Schaum earnings + His wife's earnings in a month
Therefore, the correct option is A.