Question 1051718
If this is all they give you, then that means the
function, {{{ f(x) }}} is unknown. In that case, I
think this is all you can do:
(a) 
( 4,-5 )
{{{ y = f( x-1 ) }}}
{{{ y = f( 4-1 ) }}}
{{{ y = f( 3 ) }}}
The point would be:
( 3, f(3) )
----------------------
(b)
( 4,-5)
{{{ y = f( x+4 ) }}}
{{{ y = f( 4+4 ) }}}
{{{ y = f(8) }}}
The point is:
( 8, f(8) )
----------------------
In other words, you can't really use the
information that {{{ f(4) = -5 }}}, because
when {{{ x }}} changes, then what does {{{ y }}} do?
Only the actual function would tell you that.
Get a 2nd opinion on this.