Answer:
Step-by-step explanation:
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The range of a function is all possible output, or y, values. The domain is all possible input, or x, values.
I case of y = x , domain and range are real number.
Answer:
7 and -6
Step-by-step explanation:
7 + (-6) = 1
7 * (-6) = -42
Answer:
1890
Step-by-step explanation:
Loss = 11/2 % = 5.5 %
Cost price = 2000
Loss = 5.5% of cost price
= 5.5% * 2000

Selling price = Cost price - loss
= 2000 - 110
= 1890