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If A is inversely proportional to the cube of B and A equals 28.5 when B equals negative 4 write A as a power function of B?
Starcoke724
You have:
A = K / B^3
The given data gives value for K :
K = ( A ) ( B )^3
K = ( 28.5 ) ( - 4 )^3 = - 1824
A = ( - 1824 ) / B^3
Answer : A = ( - 1824 ) / ( B )^3 = ( -1824 ) ( B )^( -3 )
Wiki User
β 9y ago
Wiki User
β 9y agoA = k/B³
→ k = AB³ = 28.5 × (-4)³ = -1824
→ A = -1824/B³
or A = -1824 B^(-3)
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