exam
Maths Puzzle
Numerical Ability
Ms K is 6 years more than 3 times as old as her daughter. 8 years ago she was 2 years less than 9 times as old as her daughter was then. What are thier ages?
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exam Other Question
Please help me with the following problem:
f(x)=3x^2-4x and g(x)=3x+7
a) simplify (f o g)(x)
b)find the domain of 2/g(x)
c) f(x+h)-f(x)/h
can you please help me graph: (((x+y<1)))