# test questionnaire in mathematics

**Tutor description**

1. (1) An operation ⊙ is given by x⊙y=4xy/(x+y), then x⊙3x =A. 3x B. 9x C. x D. 4x E. 4 (2) If f(x) = (2x+y)/3 and g(x)=2x2-1, then (g.f)(4) = A.30 B. 13 C. 31 D. 32 E.33

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