As you know, the domain is the values "x" can safely take on.
well, for a logarithmic expression, it can never have an expression of 0, namely in this case, x + 4 must never be 0, since such a logarithm doesn't exist.
now, x + 4 = 0 ---> x = -4.
thus if "x" ever becomes -4, we'd end up with log₃(-4+4), or log₃(0), which is a no dice.
so the domain is all values except -4.
Answer:
Let <em>i </em>be the input value, and let <em>o </em>be the output value.
o = i + (i + 3)
Step-by-step explanation:
Let's test each of the four numbers in the function rule.
3:
9 = 3 + (3 + 3) ?
9 = 3 + 6 ? 9 = 9 ✔
6:
15 = 6 + (6 + 3) ?
15 = 6 + 9? 15 = 15 ✔
9:
21 = 9 + (9 + 3) ?
21 = 9 + 12? 21 = 21 ✔
12:
27 = 12 + (12 + 3) ?
27 = 12 + 15? 27 = 27 ✔
Answer:
120 routes are possible.
Step-by-step explanation:
The delivery driver has time to make deliveries at 3 locations among the 6 locations remaining.
So, the number of ways of choosing 3 out of 9 locations is given by :
6P3 ways (permutation because order of locations will matter)
= =
=
Hence, 120 different routes are possible.
12/x
12 divided by x
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