Force=10N
Angle=37
Vertical componenets:-
Tim had 2b books for sale at a price of k dollars each. If y is the number of books he did not sell, which of the following repr
1 answer:
For this case we have:
: Variable that represents the amount of books Tim had.
k: Variable that represents the price of each book
y: Variable that represents the quantity of books not sold.
Then we have, according to the statement that, the quantity of books sold is given by:
Thus, the total dollar amount received for the books sold are:
Answer:
Option A
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Hi there,
To get started in order to solve this, please recall the property of logarithms.
This question is a bit tricky, but doable. Best way to solve this is first compare the two functions:
Now, let's see what the function gives at 13 and 1:
Something to recognize is that 1 to the power of <em>anything</em> is just 1, so f(1) is reduced to:
We are making progress!
Next, we can set both f(13) forms equivalent to each other, watch this:
but we know what f(1) is equal to, and let's substitute our knowns:
the c constant on both left and right side cancel out:
Now, take the logarithm form of both side of the equation. I used natural log, but you can also use common logs:
⇒
this was performed using <em>the power log rule. </em>
Isolate k:
using a calculator.
If you liked this solution, hit Thanks or give a rating!
thanks,