Quadratic expanded horizontally by a factor of 2 translated 7 units up

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Of f(x) is byof f(x)=-3|x| x-.f(x)? a )f(x)=3|x| b) f(x)=|x+3| c) f(x)= -3|x| d) f(x)= -|x+3|

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.