So, the recursive function the sequence: (1, 3, 6, 10, 15, 21, ...) is
f(1)=1; f(n)=f(n-1)+___

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720

c

step-by-step explanation: easy math

the weight of the object inside the box!