1)
a)f(0)=9*0+2=2
b)f(-2)=9*(-2)+2=-18+2=-16
d)f(1/3)=9*1/3+2=5
c)f(a-1)=9*(a-1)+2=9a-9+2=9a-7
2)
a) g(2a)=7*2a+3=14a+3
b) g(a+1)=7(a+1)+3=7a+7+3=7a+10
d) g(a+4)=7(a+4)+3=7a+28+3=7a+31
c) g(a-2)=7(a-2)+3=7a-14+3=7a-11
1)
a)f(0)=9*0+2=2
b)f(-2)=9*(-2)+2=-18+2=-16
d)f(1/3)=9*1/3+2=5
c)f(a-1)=9*(a-1)+2=9a-9+2=9a-7
2)
a) g(2a)=7*2a+3=14a+3
b) g(a+1)=7(a+1)+3=7a+7+3=7a+10
d) g(a+4)=7(a+4)+3=7a+28+3=7a+31
c) g(a-2)=7(a-2)+3=7a-14+3=7a-11