An arithmetic sequence is defined recursively by the first term u1and the recursive relation un+1 =un +dProve by mathematical induction the general formula u = u + (n − 1)d , for n for positive integers.

no, x cannot be the same number. in all of them, x is 1. for one input there is another output. g is not a function

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answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls