(1 point) Evaluate the integral using an appropriate substitution. 2er-3e-* 2er + 3e-* dx = +C (1 point) Evaluate the integral using an appropriate substitution. x+1 dx = V x2 + 2x +C (1 point) Evaluate the integral using an appropriate substitution. foxter 6x4er dx = +C (1 point) Evaluate the definite integral: 2e10x - 3 dx = so