The first astronaut on mars tossed a rock straight up.the height h measured in feet after tt seconds is given by function h(t)=-
6t²+24t+6
After how many seconds will the rock be 30 ft above the surface of Mars?
After how many seconds will the rock be 10 ft above the surfaces of Mars? (Round to nearest hundredth)
After how many seconds will the rock be 30 ft above the surface of Mars?
After how many seconds will the rock be 10 ft above the surfaces of Mars? (Round to nearest hundredth)
1 answer:
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For this case we have the following equation:
Rewriting we have:
We raise both members of the equation to the square:
Rewriting we have:
It's a extraneous solution because equality is not met by substituting x = 10 in the original equation:
Answer:
The solution is:
It's a extraneous solution
Rewriting we have:
We raise both members of the equation to the square:
Rewriting we have:
It's a extraneous solution because equality is not met by substituting x = 10 in the original equation:
Answer:
The solution is:
It's a extraneous solution