A periodic function f(x) has a period of 9 units. If f(5)=-4 and f(8)=5, determine f(41), f(59), f(71), f(-1), and f(2)

$29.30 per period.
According to the tax table for 2017. A taxable income of $7000 will have a tax of $703.  703/24 = 29.29 per paycheck round up my 1 cent  to 29.30 to cover the additional 4 cents left over and recieve a 20 cent refund. Source https://www.irs.gov/pub/irs-pdf/i1040tt.pdf