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anonymous
 5 years ago
Solve the inequality
x 15
 +  <= 4
4 x+7
for domain
anonymous
 5 years ago
Solve the inequality x 15  +  <= 4 4 x+7 for domain

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amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0x cant be 7 so we can rule any option that includes that...

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0we can get like denoms again; that worked prety well last time :) x^2 +7x + 60 <= 16x +16(17) x^2 9x +60  16(17) <= 0 ..... 142 + 60 + 70 = 272  60 = 212 x^2 9x 212 <=0

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.09/2 + sqrt(81 4(212))/2 9/2 + sqrt(929)/2..oh you picked a doozey eh...

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0x^2 +7x + 60 <= 16x +16(17) x^2 9x +60  16(7) <= 0 ..... 70+42 = 112  60 = 52 x^2 9x 52 <=0 is better 9/2 + sqrt(81+108)/2 9/2 + sqrt(189)/2 [ 9 (+) 3sqrt(21) ]/2
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