A laptop used to cost $122. After a 35% discount, what is the new cost of the laptop?

42.70

Step-by-step explanation:

The new cost is $79.30

Step-by-step explanation:

since 35% of 122 is $42.70 you will subtract that from 122 to get $79.30

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b.an increase in a causes b to decrease

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option