Question

If the point (1,3) is on the graph of y=f(x) then what is the corresponding point on the graph of y=-2f(x)?

Answer 1

We have the point (1,3)

y=f(x)
x=1
y=f(x)=3
If we have the next function; y=-2f(x), x has the same value, x=1.
and "y" will be:
y=-2f(x)=-2(3)=-6,

Therefore the point would be: (1,-6).

Answer: (1, -6)