Question 1114927
Simple substitutions
Arithmetic




x?
X?

-
<pre>
  x         f(x)=7x+5      f(x)
 -3            7(-3)+5     -16
 -2            7(-2)+5      -9
 -1            7(-1)+5      -2
  0            7*0+5         5
  1            7*1+5        12
</pre>