SOLUTION: Solve for x: 2^(x+1)+5=17. express the answer to the nearest hundredth. please answer as soon as possible, i do not understand it
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Question 443363: Solve for x: 2^(x+1)+5=17. express the answer to the nearest hundredth. please answer as soon as possible, i do not understand it
Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
Subtract 5.
Take the log(base2) of both sides.
Use the change of base formula.
Stupid way to remember this: The base goes in the basement. :P
Put this in your calculator to get:
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