SOLUTION: i need help with these questions k(x)=9x A. K(-19) B. k(13) C. K(24)

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Question 254998: i need help with these questions k(x)=9x
A. K(-19)
B. k(13)
C. K(24)
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
k(x)=9x
k(-19) means substitute -19 for x
k(-19)=9*(-19)
What is 9*(-19)?
k(13)=9*13
What is 9*13?
k(24)=9*24
What is 9*24?
Multiply them out and you are finished.