mlgsavagedoge mlgsavagedoge
  • 21-10-2022
  • Mathematics
contestada

A warning flare is fired vertically from the top of a tower. Its height h in metres after r is
given by the equation h=10+40t-5t².
a. How high is the tower?
b. What height is reached by the flare?
c. How long is it in the air (until it hits the ground)?

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