SOLUTION: Here's a function: K(r)=10r+3. I need help finding the following: K(5)= K(-6)= K(6.8)=

Algebra ->  Equations -> SOLUTION: Here's a function: K(r)=10r+3. I need help finding the following: K(5)= K(-6)= K(6.8)=      Log On


   

Question 449082: Here's a function: K(r)=10r+3. I need help finding the following:
K(5)=
K(-6)=
K(6.8)=
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Simply plug the various values in place of r to get

K(5)=10(5)+3 = 50+3 = 53

So K(5)=53


K(-6)=10(-6)+3=-60+3=-57

So k(-6)=-57


I'll let you do the last one.