exam Maths Puzzle Numerical Ability

Can you help me graph the function using the equation y=x^2-4x-5, and describe how this graph compares to the graph of y=x^2?

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exam Other Question

Solve for x. 3x - 2y = 6
I came up with 2/3y+6. Did I get it? Can have some help with the following problem? Thanks

If a ball is thrown directly upward with a velocity of 31 ft/s, its height (in feet) after t seconds is given by y = 31t -