carolinas

carolinas

() ()

.

.

.

:: ( > >> >> )

[5.05 ] [4.55].

4 .

[4.15 ][4.25]

Related Articles

Trending Articles

Here, \( a = 1, b = -4, c = -10 \)\( t = \frac{4 \pm \sqrt{16 + 40}}{2} \)\( t = \frac{4 \pm \sqrt{56}}{2} \)\( t = \frac{4 \pm 2\sqrt{14}}{2} \)\( t = 2 \pm \sqrt{14} \)Only the positive root is meaningful: \( t = 2 + \sqrt{14} \approx 5.74 \) seconds#### 5.74 secondsA company’s profit \( P(x) \) in thousands of dollars is modeled by the function \( P(x) = -2x^2 + 40x - 150 \), where \( x \) is the number of units sold in hundreds. What is the maximum profit and how many units must be sold to achieve it?The vertex form of a parabola \( ax^2 + bx + c \) reaches maximum at \( x = -\frac{b}{2a} \)Here, \( a = -2, b = 40 \)