(9x+5) - (6x-8) = 9x+5 - 6x+8 = (9x-6x) + (5+8) = 3x+13
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(4x+10) - (-3x+5) = 4x+10 + 3x-5 = (4x+3x) + (10-5) = 7x+5
The answer is 891. 99 is the greatest 2 digit number and 9 is the greatest 1 digit number. So the product of the two (multiply them) gives you your answer of 891 (99 x 9 = 891).
On what you need help with
200 plus 140 is 300
1400 plus 140 is 1540
200 plus 280 is 480
and 2800 plus 280 3080
Answer: The correct answer for the given function is Graph C.