exam Maths Puzzle Numerical Ability

I need to Write an equation in the standard form for the indicated conic section of A parabola with vertex (3,1) and directrix y = -1

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exam Other Question

find the f(-1) for the following equation
f(x)=-2x3+4x2-6x+9

the 3 and the 2 are powers of 3 and 2 If it takes a train 7h to get from Capital City when it travels 40 mi/h,how long would it take the train to go the same distance when it travels 70 mi/h?Would it take 7/4 h,4h, 4/7 h or 10 h?