Answer:
a) 3x - 1
Step-by-step explanation:
f(x) + g(x)
(-2x + 6) + (5x - 7)
Drop the parentheses
-2x + 6 + 5x -7
5x and -2x can be combined as well as 6 and -7
So, 3x -1
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a)$4,238.50
b)$392
c)$3814.65
a) 3920*0.08125=318.5
318.5+3920=4238.50
b)3920*0.1=392
c)3920-392=3528
3528*0.08125=286.65
3528+286.65=3814.65
