exam Maths Puzzle Numerical Ability

Given f(x) = �5x � 3, find f(a � 2).

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exam Other Question

Solve. 8 - (4x - 3) = 19 a hammer is dropped from a construction project 576 ft above the ground. the height h(in ft) of the hammer is mideled by the position equation h(t)=-16t^2+ 576 where t is the time i seconds. how long will take for the hammer to reach the ground?