A function has the rule "multiply by two, and then subtract three." What is the output when the input is 8?

ten

thirteen

eighteen

twenty-two

Question

A function has the rule "multiply by two, and then subtract three." What is the output when the input is 8?

 ten

 thirteen

 eighteen

 twenty-two

yellowlegoguy99 · Answer

Medal to who answers best? :D

yellowlegoguy99 · Answer

I have more questions :/

anonymous · Answer

f(x)=2x-3
So, f(8) = 2*8-3 = 13

yellowlegoguy99 · Answer

Kay ty

yellowlegoguy99 · Answer

Mickey bought 2 books from the bargain bin at his school's book fair and paid four dollars. If buying books from the bargain bin follows a direct variation, how much did his sister pay for the 6 books she bought?

 eight dollars

 twelve dollars

 twenty-four dollars

 thirty-six dollars

anonymous · Answer

next question in another post please