SOLUTION: A sport store sells about 50 mountain bikes per month at a price of $220 each. For each $20 decrease in price, about 10 more bikes per month are sold. Write a quadratic function
Algebra.Com
Question 253412: A sport store sells about 50 mountain bikes per month at a price of $220 each. For each $20 decrease in price, about 10 more bikes per month are sold. Write a quadratic function in standard form that models the revenue from bike sales. What price produces the maximum revenue?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
y=mx+b
220=-2*50+b
320=b
y=-2x+320
This a linear equation not quadratic.
RELATED QUESTIONS
A store sells about 50 printers a month at a price of 140$ each. For each 10$ increase in (answered by josgarithmetic,ikleyn)
A store sells about 80 sweaters per month at a price of $ 30. For each $ 1 decrease in... (answered by josmiceli)
an electronic store sells about 70 of a new model of digital cameras per month at a proce (answered by stanbon)
A video store sells about 100 DVDs a week at a price of $21 each. The owner estimates... (answered by josmiceli)
1. A garment store sells about 40 t-shirts per week at a price Php 100 each, 10 decrease... (answered by Boreal)
A resturaunt sells about 330 sandwhiches each day at a price of $6 each. For each $.25... (answered by ankor@dixie-net.com)
What to do:
a. Make a diagram of the situation.
b. Plot the number of t-shirt sell,... (answered by josgarithmetic)
A department store sells 20 portable stereos per week at $80 each. The manager believes... (answered by josgarithmetic,ikleyn)
A store has an average of 5000 customers per week and sells chicken for $10 per... (answered by ankor@dixie-net.com)