Question

Sophia spent $40 on supplies to make 20 bracelets. She plans to sell them at a craft show for $5 each. Let y represent the amount of her profit. Is it discrete or continuous? And what are the domain and range?

Answer 1

we have that

y ------> the amount of her profit

x -----ghe number of bracelets

REmember that

Profit is equal to sell minus cost

so

y=5x-40

the domain is the interval (0,1,2,3,4,5) ------> is a discrete

the range is equal to

For x=