Find f(a), f(a+h) and the difference quotient (f(a+h)-f(a))/ h, where hod want equal 0.
f(x)= 2x/ x-1

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)