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Which of the following is the graph of y= square root -x-3

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?