Given the function f(x) = 3|x - 21 + 6, for what values of x is f(x) = 18?
x=-2,x= -8
x=-2, x= -6
x=-2, x= 6
x= -2, x= 8

answer:     true

step-by-step explanation:

$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

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.

the answer would be a 24

step-by-step explanation:

c=2πr=2·π·3=24