2. Use the Intermediate Value Theorem to show that 2.x 3 - if – 3 < x < 0 f (r) = x +3 -3+ 2 cosh r if x > 0 has a zero on the interval [-2, In 5].

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A: Add the given numbers. The first sum is 427+37. 427+37=4×7+27+37=28+27+37=307+37=337

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