Answer:
h-¹(x) = ±√(⅖ - ⅕x)
Step-by-step explanation:
h(x) = -5x² + 2 → x = -5y² + 2 → 5y² = 2- x → y² = ⅖ - ⅕x → y =±√(⅖ - ⅕x) → h-¹(x) = ±√(⅖ - ⅕x)
