



 
Hi Justin, I think the choices should be
I tried $n = 1$ for each of the four expressions and got
Thus all four expressions yield $94$ when $n = 1.$ Next try $n = 2.$ Does each expression give $75?$ If any expression doesn't yield $75$ then that expression isn't correct. Penny
 


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 