Math Problem Statement

Revenue The Better Baby Buggy Co. has just come out with a new model, the Turbo. The market research department predicts that the demand equation for Turbos is given by q = −3p + 294, where q is the number of buggies the company can sell in a month if the price is $p per buggy. At what price (in dollars) should it sell the buggies to get the largest revenue? p = $ What is the largest monthly revenue (in dollars)? $

Solution

To solve this problem, we need to find the price that will maximize the revenue for The Better Baby Buggy Co.

Step 1: Express the Revenue Function

Revenue RR is the product of price pp and the quantity sold qq. We are given the demand equation: q=3p+294q = -3p + 294 Thus, revenue RR is: R=pqR = p \cdot q Substitute the expression for qq into the revenue equation: R=p(3p+294)R = p \cdot (-3p + 294) R=3p2+294pR = -3p^2 + 294p

Step 2: Maximize the Revenue Function

This is a quadratic equation of the form R(p)=3p2+294pR(p) = -3p^2 + 294p, which is a downward-facing parabola (since the coefficient of p2p^2 is negative). The maximum value of a parabola occurs at its vertex. The formula to find the vertex of a parabola ax2+bx+cax^2 + bx + c is: p=b2ap = \frac{-b}{2a} Here, a=3a = -3 and b=294b = 294. Substituting these values into the vertex formula: p=2942(3)=2946=49p = \frac{-294}{2(-3)} = \frac{294}{6} = 49

Thus, the price that maximizes revenue is $49.

Step 3: Calculate the Maximum Revenue

Now that we know the price p=49p = 49, substitute it back into the revenue equation to find the maximum revenue: R=3(49)2+294(49)R = -3(49)^2 + 294(49) First, calculate 49249^2 and then substitute: 492=240149^2 = 2401 R=3(2401)+294(49)R = -3(2401) + 294(49) R=7203+14406R = -7203 + 14406 R=7203R = 7203

Thus, the maximum monthly revenue is $7203.

Final Answers:

  • The company should sell the buggies at $49 per buggy to maximize revenue.
  • The largest monthly revenue is $7203.

Would you like more details or have any questions?


Here are some related questions:

  1. How would the revenue change if the price is set higher or lower than $49?
  2. What happens to the demand for the Turbo buggies if the price is increased by $10?
  3. How would an increase in the coefficient of pp in the demand equation affect revenue?
  4. If fixed costs are introduced, how does that change the maximum profit calculation?
  5. Can you express the relationship between price and revenue graphically?

Tip: The vertex of a quadratic function provides the maximum or minimum point, depending on the direction of the parabola.

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Functions
Revenue Maximization

Formulas

Revenue function: R = p * q
Demand equation: q = -3p + 294
Quadratic vertex formula: p = -b / 2a

Theorems

Vertex Theorem for Quadratic Equations

Suitable Grade Level

Grades 10-12