Identifique os coeficientes a e b das seguintes funções, seja f(x)=ax +b: a)f(x)=2x +3
b)f(x)=x + 1
_
3

c) y= -2 + 4x
d) f(x) = - x - 4
_
10

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the final amount you will pay is $68.04.

the tip is determined by the pre-tax amount, so we calculate the tip based on the original bill, not after we've added sales tax.

to find the tip:

we can divide 54.00 by 100 to get 1% of 54. then we multiply that by 18.

54 / 100 = .54

.54 x 18 = 9.72

tip = 9.72$

to find the tax:

we can divide 54.00 by 100 to get 1% of 54. then we can multiply that by 8 to get 8%.

54 / 100 = .54

.54 x 8 = 4.32

tax= 4.32

now we can add the tip and tax to the bill to get our total.

54 + 9.72 + 4.32 = 68.04

total: $68.04

step-by-step explanation:

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.