Question

( f(x)=5 x+4 )
( 1+2+((x))=f(m) )

# = g (-5) = (-5) + 2 = 25 + 2 = 27 Aff:Q+ Q is defined by f(x) = 5x + 4 for all x € Q, show that 'f' is a bijection and find fl. Mar. '17 (TS), '16 (AP) Fol. Given f : Q Q, f(x) = 5x + 4, VxeQ.

Solution