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6.1.23 Question Help Determine the following. J-7(2x +1) dx 1-7(e 2x + 1) dx =]6.1.30 Question Help Find the value of k that makes the antidifferentiation formula true. Vx + 8 dx =k(x+8)+c K=6.1.22 Question Help Determine the following. 2e -0.5x dx [2e - 0.5x dx = (Type an exact answer.)Find the value of k that makes the antidifferentiation formula true. |6e - 7 at=ke -71 +c K=