A mechanic charges $80 to diagnose the problem with a vehicle, $200 for the part to fix it and $65 and hour to work on it. If the mechanic works on the vehicle for 4 hours what is the final cost if the sales tax is 6.5%? *
$540
$575.10
$625.23
$583.42

$575.10

Step-by-step explanation:

(80+200+65(4))1.065=

(80+200+260)1.065=

(540)1.065= 575.1

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step-by-step explanation:

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3