Question

The expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that Jamie pays for his two children to join a science club. What do each of the following present, in context, for the above expression

Answer 1

2 represents the two kids, he is paying double the amount because two kids are enrolled. The 21 is the monthy charge and x is the number of months in class which 21x is the slope. 75 is a one time fee and is the y intercept.

Answer 2

• The explanation is as follows:

1. 2 represents the two kids, he is paying double the amount as two kids are enrolled.
2. The 21 shows the monthly charge and x is the no of months in class which 21x represents the slope.
3. 75 is a one-time fee and it is considered to be y intercept

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