algebra 2 exploring periodic data answers
= 15,000 \cos \left( \frac{5\pi}{6} \right) + 35,000 \] \[ \cos \left( \frac{5\pi}{6} \right) = -\frac{\sqrt{3}}{2} \] \[ y \approx 15,000 \times \left( -0.866 \right) + 35,000 \] \[ y \approx -12,990 + 35,000 \] \[ y \approx 22,010 \] Thus, predicted sale