Answer: 
Step-by-step explanation:
1. You have the following function given in the problem:
2. Then, to find 
asked in the exercise, you only need to substitute 
(which is the input value) into the given function.
3. Therefore, keeping the above on mind, you obtain that is:
4^3 = 64
log4 64 = 3
The exponent always comes to the other side.
Answer:
Explanation:
You just need to find the ratio of lengths of one of the sides and apply it to the unknown side:
72
24
=
3
This means that the triangle on the right has sides that are 3 times the length of the smaller triangle.
x
7
=
3
x
=
21
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