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QUESTION
Suppose that the functions x and t are defined for all real numbers x as follows. s(x) = x + 4 t(x) = 3x + 3. Write the expression for (s+t)(x) and evaluate (s+t)(-1).
Suppose that the functions x and t are defined for all real numbers x as follows. s(x) = x + 4 t(x) = 3x + 3. Write the expression for (s+t)(x) and evaluate (s+t)(-1).
