Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (anonymous):

h(y) = -3y^3 -6y+ 9, h(5b+3)

OpenStudy (anonymous):

what do u need in this ?

OpenStudy (anonymous):

value of the function

myininaya (myininaya):

replace y with 5b+3

OpenStudy (anonymous):

yes but i cannot get the answer to be what it is in the back of the book -375b^3 -675b^2 -435b - 90

myininaya (myininaya):

\[-3(5b+3)^3-6(5b+3)+9\]

myininaya (myininaya):

\[(5b+3)(-3(5b+3)^2-6)+9\] \[(5b+3)(-3(25b^2+30b+9)-6)+9\] \[(5b+3)(-75b^2-90b-27-6)+9\] c

myininaya (myininaya):

\[(5b+3)(-75b^2-90b-33)+9\]

myininaya (myininaya):

\[(5b)(-75b^2-90b-33)+3(-75b^2-90b-33)+9\]

myininaya (myininaya):

multiply and combine like terms

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!