Well from combining I got ㏑(x²+10x+21)/-2
Answer:
4 km
Step-by-step explanation:
2/3(6) = 4 km
X/4 - 3
(*make sure to write the division in fraction form as shown for algebraic notation)
Let 0.25x is the price increase. Therefore, the number of attendees will be 350-10x and the revenue R=(350-10x)*(5+0.25x)=1750+37.5x-2.5x^2. This parabola has maximum at x=10, meaning the price=7.5
