exam Maths Puzzle Numerical Ability

evaluate the funtions rule y=3x^2+4 for x=-2. expain which is the dependent and independent variable. graph the funtion.

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exam Other Question

please help. simplify 6/5w/2/5w thanks for the help Solve the following algebraically. You must show all your work.

1/4= 3- 2x-1/x+2