Decide whether or not the functions are inverses of each other.f(x) = (x - 4)2, x ? 4; g(x) = 
+ 4
A. Yes
B. No
Answer: A
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Answer the question(s) based on the following situation: Over the last 80 years records have been kept of the annual rainfall in the Tasmanian desert. The distribution of annual rainfall is approximately normal and has no outliers. The minimum of 4.5 inches of rain occurred in 1952; the maximum of 11.7 inches of rain occurred in 1934.What is the approximate average annual rainfall over the last 80 years?
A. 3.6 inches B. 7.2 inches C. 1.2 inches D. 8.1 inches E. none of these
Write an equation for the piecewise function.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Determine whether the ordered triple is a solution to the given linear system.(7, 2, -5)
A. No B. Yes
Solve the system of equations by the substitution method.
A. {(12, 3)} B. {(-3, 12)} C. {(-12, -4)} D. {(12, -3)}