3 years ago

TIMED

2 answers:

6 0

-x^2 + 4x + 12 = -3x + 24

-> x^2 - 7x + 12 = 0

-> (x-3)(x-4) = 0

-> x= 3 or 4

so y = 15 when x = 3, y = 12 when x = 4

Ray Of Light [21]3 years ago

3 0

option C , to make it easy ......

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