shari is participating in a charity run. donors have pledged $300 plus $10 per mile. she can choose to run for 5, 10, or 15 miles. identify the function that describes this situation and its domain and range.

1. f(m) = 300 + 10m
d = {5, 10, 15}
r = {300, 400, 450}

2. f(m) = 350 + 2m
d = {5, 10, 15}
r = {350, 400, 450}

3. f(m) = 300 + 10m
d = {5, 10, 15}
r = {350, 400, 450}

4. f(m) = 300 + 2m
d = {5, 10, 15}
r = {350, 450, 450}