exam Maths Puzzle Numerical Ability

Find the domain and range of the function
{{{{{18x^2-2}}}}}
Domain:
Range:
write the answer in interval notation. for the range just remember that x^2 is never ne

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exam Other Question

write each equation in slope intercept form. Then find the slope and the y-intercept of the line determined by the equation.

- 2 (x + 3y) = 5 Determine which two equations represent perpendicular lines.
(a) y = 4x - 7
(b) y = x + 7
(c) y = - x + 7
(d) y = x - 7