A state's income tax for a single person in a recent year was determined by the rule below, where x is the person's taxable income.
h left parenthesis x right parenthesis equals StartSet Start 3 By 1 Matrix 1st Row 1st Column 0.02 x, if 0 less than or equals x less than 6000 2nd Row 1st Column 120 plus 0.03 left parenthesis x minus 6000 right parenthesis, if 6000 less than or equals x less than 10,000 3rd Row 1st Column 240 plus 0.04 left parenthesis x minus 10,000 right parenthesis, if x greater than or equals 10,000 EndMatrixh(x)=
0.02x, if 0≤x<6000120+0.03(x−6000), if 6000≤x<10,000240+0.04(x−10,000), if x≥10,000
Find the following function values and interpret the answers.
(a)
h(4120)
(b)
h(6860)
(c)
h(49,240)