Plzzz help
As soon as possible

f(2)=3(2)=(6)

f(1\2)=3(1\2)=1.5

f(35)=3(35)=105

4.{(2,17),(-7,-4),(-4,3),(0,3)}={(0,3),(-4,3),(-7,-4),(2,17)}

For the 4 ,am not sure of the answer.

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.