-2x - 4 = 8
Solve for the Variable x
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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

Which of the following expressions is equal to 2x^2+8

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression