Which is the equation of the power function p(x) = ax3 where p(–2) = –64? p(x) = –32x3 p(x) = –16x3 p(x) = 8x3 p(x) = –8x3

P(-2) = a*(-2)^3 = -8*a, right? :) Then -8*a=64==> a = 64/(-8)=-8. So, the last one!

The answer is mathg.a.y

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20