exam Maths Puzzle Numerical Ability

if f(x)=2x*2-3x+4, find 1-f(0) 2-f(1) 3-f(2) 4-f(-2) 5-f(1/2)

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exam Other Question

how to i make 273,000 into scientific notation Edwin
my appologies I made a mistake
P = 4I - 100 (not plus as I put in the question)
sorry