5. Sally is selling seashells by seashore. She earns $0.50 for every seashell she sells, and has already sold 8 seashells. She can only sell a maximum of 89 seashells. The function of her
profits can be modeled by f(x)=$0.50. What is the domain and range of the function?

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!