Use known area formulas to evaluate the integrals in Exercises 23–28 ždr, dx, b > 0 23. 24. 4x dx, b > 0 3t dt, 0 < a < b 25. 2s ds, 0 < a < b 26. 27. f(x) = V4 – x? 28. f(x) = 3x + V1 – x² on a. [-2, 2], b. [0, 2] on a. [-1,0], b. [-1, 1]

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A: To find:

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A: integration

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A:

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