Concept explainers
To find:
Zero, domain, and range of the given equation
Answer to Problem 3GP
Zero of the equation is
Also, domain of this relation is
Explanation of Solution
Given information:
A`s class is selling candy to raise money for a class trip. They paid $45 for the candy, and they are selling each candy bar for $1.50. The function,
Conceptused:
Zero of an equation is obtained by putting it equal to 0 and then solving it for independent variable x.
Also set of all values of x is its domain and set of all values of y is its range.
Calculation:
Plug in y = 0 in and on solving it for x,
So, only zero of the equation is
As x are the number of candies sold and 30 are minimum candies, to start getting profit. So, x may be greater or equal to 30. So, domain of this function will be an infinite set
Conclusion:
Value x=30 means that minimum more than 30 candies should be sold surely to get the profit accordingly. Also, domain of this relation is
Chapter 3 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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