exam Maths Puzzle Numerical Ability

Graph the inequality (in an (x,y) coordinate system)

x equal to or less than 4

Thank you.

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exam Other Question

Solve the following quadratic equations by using quadratic formula.

2.1y^2-3.5y=4

a(a+2)=-1

6x^2+5x-4=3x-2

4x^2-14x-27=3 This is my first time doing logarithm. and would like to solve for x in these problems. log3+log(x+1)=log5+log(x-3) and ln(2x+3)-ln4=2.Need answer by tomorrow.
thank you