Evaluate the indefinite integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.) 1. dx 9 - 7x Consider the following integral. 1- X = eu (3-e4) Find a substitution to rewrite the integrand as dx = du du - 1 dx. Evaluate the given integral. (Use C for the constant of integration.) 9. [0/10 Points] DETAILS cos s(0) sin(0) de PREVIOUS ANSWERS Evaluate the indefinite integral. (Use C for the constant of integration.) S 10. [0/10 Points] DETAILS PREVIOUS ANSWERS SCALCCC5 5.5.018. X SCALCCC5 5.5.027. Evaluate the indefinite integral. (Use C for the constant of integration.) [xx + 5 dx