x = 7 and 2/3
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7x5=3x-9 35=3x-9 35+9=3x 44=3x 44/3=x 14.3=x x=14.3
f(x1) = (-5)2 + 3*(-5) + 5.1 = 25 - 15 + 5.1 = 15.1 f(x2) = (6)2 + 3*(6) + 5.1 = 36 + 18 + 5.1 = 59.1 f(x2)-f(x1) = 59.1 - 15.1 = 44 x2 - x1 = 6 - (-5) = 11 So average rate of change = 44/11 = 4
Let the unknown number be called x: 3x-11 = x+33 3x-x = 33+11 2x = 44 x = 22 So the number is 22
11 times 4 1times 44
m-38=-44 [add 38 to both sides m=-6 The answer is 6 [six]