Step-by-step explanation:
An equivalent set is a set that has equal numbers or items.
Answer:
f(X)=7 X=1
X=2. f(X)=14
f(X)=21. X= 3
X=4. f(X)=28
X=5. f(X)=35
just substitute in the equation
33.75
45x0.75=33.75
3rd one
