Which of the following functions is strictly continuous everywhere on the real line R?
Which of the following functions is strictly continuous everywhere on the real line R?
- A. tan x
- B. log x
- C. 1/x
- D. x² + 2x + 5
Answer: D) x² + 2x + 5
Explanation: Polynomial functions (like x² + 2x + 5) are continuous everywhere on the real numbers.
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