[Urgent] Simple Calculus questions

Evaluate and specify the initial substitution: 10 dac V 100+32 0 5(v3 - #) using the initial substitution r = 10 sec O 5(v3 - #) using the initial substitution x = 10 tand O In(v2 + 1) , using the initial substitution r = 10 tand O V3 - # using the initial substitution r = 10 sec