ANSWER
(-3,3)
EXPLANATION
The given function is
Expand
Rewrite in the form:
This implies that,
Complete the square to get,
The function is now in the form:
where (h,k) =(-3,3) is the vertex
The best way, in my opinion, to do this, is to find the unit rate of each napkin brand, or the cost per napkin. To do this, divide the money amount by the amount of napkin they give you.
/Brand W:2.87/500=.00574 \
\Brand X: 1.27/200=.00635 \ These are the
/Brand Y: .62/100 =.0062 / cost per napkin.
\Brand Z: 1.37/250=.00548 /
Which one out of these 4 values is the lowest value? Obviously the two with the 6 in the thousandths place are more expensive than the ones with the 5s in the thousandths place, so that already eliminates Brand Z and Brand W.
What do we have left?
<span>Brand X: 1.27/200=.00635
</span><span>Brand Y: .62/100 =.0062
</span> Cool. Which of these is a smaller number? Tip: If the first number besides 0 is the same, check the next one! You should get that Brand Y is the cheapest! :) Hoped this helped!
Answer:
Step-by-step explanation:
we have
Solve for x
That means ---> Isolate the variable x
Divide by 4 both sides
Apply ln both sides
![ln[(e^x)]=ln(3.19)](https://tex.z-dn.net/?f=ln%5B%28e%5Ex%29%5D%3Dln%283.19%29)
Apply property of logarithms (power rule) left side
Remember that
Class D has 28% boys because 50 x 28% (or .28) you get 14
Hope this helps!
The answer is b ok have fun
