Identify the type of function that models the labor cost for repairing a computer if the charge is $50 per hour or fraction thereof.
a.greatest integer function
c.absolute value function
b.step function

Question

Identify the type of function that models the labor cost for repairing a computer if the charge is $50 per hour or fraction thereof.
a.greatest integer function
c.absolute value function
b.step function

anonymous · Answer

it is a step function for sure

anonymous · Answer

the greatest integer function is also a step function, but not this step function

hkmiu · Answer

That gets me confused :O ..

anonymous · Answer

then ignore my last remarks
this function looks like $50$ for $t<1$ then $100$ for $1<t\leq 2$ etc
in other words a step function

hkmiu · Answer

The cost of mailing a letter is $0.37 for the first ounce and $0.23 for each additional ounce or portion thereof.

then this would be a greatest integer function right?

anonymous · Answer

no

hkmiu · Answer

@________@

anonymous · Answer

greatest integer function is 
$0$ for $0<x\leq 1$ then $1$ for $1\leq x<2$ and so on

anonymous · Answer

the greatest integer function is a kind of step function, it is a specific step function not just any step function

hkmiu · Answer

I'll look back onto that. Thank you. 
I'm probably not connecting everything together bc im so tired lol. I did math for 8 hours straight.

anonymous · Answer

take a break

hkmiu · Answer

Dinner is soon :) so yes.