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Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

If there are 3.281 feet in 1 meter, how many inches are in one centimeter