exam Maths Puzzle Numerical Ability

a homeowner wishes to insulate her attic with fiberglass insulation to conserve energy. the insulation comes in 40 cm wide rolls that are cut to fit between rafters in the attic.

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exam Other Question

Solve and graph the solution set. 6x + 6 => 5x + 9

Small straight line going into infinety. The figure shows the graphs of f(x)=x^3 and g(x)=ax^3. What can you conclude about the value of a?

There was no figure for me to look at either.