exam
Maths Puzzle
Numerical Ability
can you please help me: (((Graph the function y=f(x)=x^2)))
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A cellular phone company offers a contract for which the cost C in dollars, of T minutes of telephoning is given by C = 0.25(t-300)53.95 where it is assumed that t >= 300 minutes.
Age at first marriage. The median age at first marriage for femaile increased from 24.5 years in 1995 to 25.1 years in 2000. Let 1995 be year 5 and 2000 be year 10.
a) find th