exam Maths Puzzle Numerical Ability

If f(x) = 2x + 3 and g(x) = (x - 3)/2, what is the value of f[g(-5)]?

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exam Other Question

Geometry. For the floor plans given in exercise 27, determine whether the side
through the points (2, 3) and (11, 6) is perpendicular to the side through the points
(2, 3) and (-3, 18). The task is to Wrtie an inequality represented by the graph.

<-- -20-- -10---0---*20---30---40->

If someone....Anyone could help me,It would be <b>greatly</b> appreciated