exam Maths Puzzle Numerical Ability

A cup of coffee is poured and left to cool on the counter. The formula that represents the temperature of the coffee over time is given by :
T=80(0.9)(^x/2)+20 where T is tempera

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exam Other Question

Let f(x) = -x - 5 and g(x) = 2x + 3 Find the indicated value.

g(0)

Looking for an straightfoward answer :) Help with straightfoward answer would helpful.No answers from solve Meg is 20 years younger than Phillip. In three years Phillip will be twice as old as Meg will be. How old is each now?