Question 1071332
the -3 will go at the end,
-2=4^2-3; need the first term to be (1/16)*4^2
check with second point
1=(4^3)(1/16)-3, which does work
the function is y= (1/16)4^x-3
{{{graph(300,300,-10,10,-10,10,(1/16)4^x-3)}}}