Can anyone please help I don't understand this assignment.

Find the domain and range of each function. Approximate if necessary. 1 x F(x) 2. Destination Shipping Time W N + 7 Southeast US 2 business days 9 Northeast US 3 business days 11 Midwest US 3 business days 13 Southwest US 3 business days 15 Western US 4 business days 3. 4. Order Total Standard t g(t) -1 11 $0-$200 $23.00 14 $201-$300 $39.00 -1 $300+ $99.00 10 70 5. 6. Trey's Height Distance (metres) Height in Inches Rich 2 years 4 years 6 years 8 years 5 6 8 9 10 Age Time (seconds) 7. 8 Figure 1: The US Unemployment Rate since 1990 9, 10. A Tax Table for Amounts up to $1 .05 Amount of Tax 01 60 .80 1.00 Taxable Amount\f