1. Let f(x) = 5x + 3 and g(x) = 3x What is (f + g)(x)?
1 answer:
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Answer: Choice B
Work Shown:
This says that x is between 1 and 4; it can equal 1, but it can't equal 4.
To visually represent this, we'll have a closed circle at 1, an open circle at 4, with shading in between these circles. This is represented by graph B.