1 . y =(x+ 16)(4840/x+ 10)= 10x+77440/x+5000 2。 From the above formula, Y= (under the radical number (10x)) square+ (under the radical number (77440/x))square- double the radical number, 774400+ double the radical number, 774400+5000 = (under the radical number (10x)).

Remember to adopt