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Find all p which satisfy both the inequalities 0 >= 64p - 144 and 0 > 22 - 20p. Express your answer in interval notation, reducing any fractions in your answer.

 Nov 16, 2020
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64p - 144 ≤  0  →   64p ≤ 144   →  p ≤ 144/64  →   p ≤  9/4

22 - 20p < 0  →   22 < 20p   →  22/20 < p  →   p >  11/10

 

p = ( 11 / 10,  9 / 4 ] 

 

cool cool cool

 Nov 16, 2020

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