exam Maths Puzzle Numerical Ability

if f(x)=2x^-2 and g(x)= 3+x^2, find the rule of the function-3(f*g)(x)

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exam Other Question

can someone help me name TWO angles that are coterminal with an angle of 200 degree?? Tutor Could you help me please convert this problem to radical notation..Thank you!

7 square root 18^3