exam Maths Puzzle Numerical Ability

system of inequalities. Describe what the graph interval [-4, 10] looks like?

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exam Other Question

Find the domain and range of the function
f(x)=(x-a)^2+1

Find the equation of the axis of symmetry of the parabola.
f(x)=(x+1)^2+9

Find the zeros of the polynomial function Okay this is a long one.
Q: Use the gauss jordon method to solve the system.
[1 5 -1 -4
0 3 -1 -1
-3 6 2 11] I started out by doing the gaussian method so this is