In Problems 1–18 use Definition 7.1.1 to find
4.
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First Course in Differential Equations (Instructor's)
- In Problems 23–30, use the given zero to find the remaining zeros of each function. 23. f(x) = x - 4x² + 4x – 16; zero: 2i 24. g(x) = x + 3x? + 25x + 75; zero: -5i 25. f(x) = 2x* + 5x + 5x? + 20x – 12; zero: -2i 26. h(x) = 3x4 + 5x + 25x? + 45x – 18; zero: 3i %3D 27. h(x) = x* – 9x + 21x? + 21x – 130; zero: 3 - 2i 29. h(x) = 3x³ + 2x* + 15x³ + 10x2 – 528x – 352; zero: -4i 28. f(x) = x* – 7x + 14x2 – 38x – 60; zero:1 + 3i 30. g(x) = 2x – 3x* – 5x – 15x² – 207x + 108; zero: 3iarrow_forwardIn Problems 13–24, use the graph of the function f given.arrow_forward12. Let f(x) = x + 2 and g(x) = x² – 1. Find (gᵒf)(4)arrow_forward
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- Suppose that the functions q and r are defined as follows. q (x) = x²+7 r(x) = /x+8 Find the following. (a • r)(!) = 0 (r • 9)(1) = 0 ? %3!arrow_forwardI need help with question 39 in Section 4.1, page 284, of the James Stewart Calculus Eighth Edition textbook. I am trying to find the critical numbers for the function provided.arrow_forwardEstimate R3, M3, and L6 over [0, 1.5] for the function in Figure 17. 0.5 1.0 15 FIGURE 17 2.arrow_forward
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