Find the missing value 4 = -2+

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The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Which of the functions graphed below has a removable discontinuity?