Why is -2^3 = -8 and not 8?
doesn't -2*-2*-2 equal to 8?
!

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

$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