book Maths Puzzle Numerical Ability

h(x) = 19; find h (4), h(-6), and h(12).

P(x) = 3x^2 - 2x + 5; find P(0),P(-2), and P(3).

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book Other Question

In New York City, taxis charge $2.50 plus $2.00 per mile for off peak fares. How far can Ralph travel for $17.50(assuming off peak fare) 3(r+1)-[2(3-2r)-3(3-r)]=2(r+5)-4