exam Maths Puzzle Numerical Ability

How do you sketch a graph of y=3x^2?

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exam Other Question

given the following, evaluate csc0

cos0=1/2

tan0 is negative

A) 2 (square root symbol)3/3
B) -2 (square root symbol)3/3
C) 2
D) -2
Simplify:
log(base 2)8 + 3 log(base 3)3 - log(base 2)1 + log(base 4)(1/4)