Question 1133408

Let f be a linear function for which 
f(1) = 6
 and 
f(−1) = 8.
 Determine f(6)

f(6)= ?
<pre>The similar problem @ALAN3354 gave you should have points: (- 2, - 6) and (4, 18), <b><u>NOT</b></u> (- 6, - 2) and (18, 4).