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mrs_skeptik [129]
1 year ago
9

WILL MARK BRAINLIEST!!!

Mathematics
2 answers:
Serggg [28]1 year ago
8 0
<h3>Answer:</h3>

2 seconds

<h3>Explanation:</h3>

Equation: g(x) = -16x² + 64x + 80

<u>In order to find the maximum</u>:

vertex : -b/2a

           = -64/2(-16)

           = -64/-32

           = 2

Maximum Height:

= -16(2)² + 64(2) + 80

= 144 ft

qwelly [4]1 year ago
7 0

The vertex should be maximum as a is negative and parabola opening downwards

So

x coordinate of vertex

  • -/2a
  • -64/-32
  • 2

y coordinate is max height

  • -16(2)²+64(2)+80
  • -16(4)+128+80
  • -64+128+80
  • 128+16
  • 144ft

Vertex at (2,144)

The rocket would take 2s

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