book Maths Puzzle Numerical Ability

I have another piecewise defined function to graph:
f(x) = {x^2 if |x| <=1}
{1 if |x| >1}

If |x| being less than 1 I should get all positive values on the graph, right?

Thank you very much!

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book Other Question

State the Equation of the line perpendicular to 4x-y=8 and having the same y-intercept as 7x-2y=4

Thanks, SUMEET
Find values for m and b in the following system so that the solution to the system is (-3,4).

5x + 7y = b

and

mx + y = 22