H0shiChan
H0shiChan H0shiChan
  • 10-06-2019
  • Mathematics
contestada

HELP ASAP PLEASE!!

the heights of two different projectiles after they launched are modeled by f(x) and g(x).

HELP ASAP PLEASE the heights of two different projectiles after they launched are modeled by fx and gx class=

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altavistard
altavistard altavistard
  • 10-06-2019

Answer:

Step-by-step explanation:

According to the table, function g(x) reaches the max height of 33, approx.

The equation of motion is f(x) = -16x^2 + 42x + 12.  We need to determine the maximum of this function.  To do this, find the x-coordinate of the vertex, which is x = -b/(2a), or x = -42/(2*-16), or 1.31 sec.

Evaluating f(x) = -16x^2 + 42x + 12 at x = 1.31 sec, we get f(1.31) = 39.6.

So it appears that f(x) has a higher max than does g(x); the difference is approx. 39.6 - 33, or 6.6

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