You can
put this solution on YOUR website!If k(x)=10x, then you substitute the value inside the parentheses in place of x.
So, if
k(x)=10(x)
k(-17) = 10(-17)=-170
Likewise,
k(8)=10(8)=80
k(34)=10(34)=340
etc.
I have a complete explanation for this topic on my website. Click on my tutor name "rapaljer" anywhere in algebra.com. Look for the second link on my homepage which is "Basic, Intermediate, and College Algebra: One Step at a Time." Choose "Basic Algebra", then "Chapter 4 Graphing." This lesson is "Section 4.09 Functional Notation."
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