Aradioactive material loses 50% of its mass after a certain amount of time known as its half-life. Let p represent the number of half-lives, let q represent the number of seconds in each half-life, and let r represent the elapsed time in seconds.
Which equations give the remaining mass, m. of a radioactive material with an initial mass of m0?

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

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mark brainliest!

4

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im pretty sure it's 4 beacsue 8/2 equals 4

14

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14