Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

You are not logged in. #1 20060314 02:51:32
polynomialThe manager of a retail store has figured othat he rmonthly profit P (in thousands of $$) is determined by her monthly advertising expenses x(in tens of thousands of dollars) according to the formula P=x^320x^2+100x for 0<(or equal to) 0 <(or equal to) 4. For what value of x does she get 147,000 in profit? 