What is the range of the function? The function f(x) = (x - 4)(x - 2) is shown.
1,0
O all real numbers less than or equal to 3
O all real numbers less than or equal to -1
O all real numbers greater than or equal to 3
O all real numbers greater than or equal to -1
4
2
-10-8
-5
8
10
-2
-4
-6
-
-10
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Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

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