9 sandwiches per hour
step-by-step explanation:
when we have a rate, we want a 1 in the denominator
27/3 = 9
27 sandwiches/ 3 hours = 9 sandwiches/hour
logv3(x+2)=1
rewrite in exponential form:
logb(x) = y is equal to b^y =x
b = 3, y = 1
now solve for x:
3^1 = x+2)
x = 3-2
x = 1
see the picture for the graph.
i found two solutions, n = 2 • ± √3 = ± 3.4641
step-by-step explanation: