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Find the vertex form of the function then find the following a) intercepts b) vertex c) maximum or minimum d) range
s(x)=-5x^2-30x-40

Respuesta :

taniaorozco
vertex form; y = 5(x - 3)² - 85
x-intercept; (3, +√17, 0) , (3 -√17, 0)
y-intercept; (0, -40)
minimum value at -85
range; [-85, ∞), {y|y ≥ -85}

hope this helps, God bless!

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