exam Maths Puzzle Numerical Ability

find f(-3) when f(x)=2x^2-7x+8.

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exam Other Question

Jerry earned $18,500 one year and then received a 10.5% raise. What is his new yearly salary?

For this one would I just multiply 10.5 and 18500? Then add that amount to the 18500? f(t)= log(t-5)