Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = , R is all real numbers;
f-1(x): D is all real numbers, R =
B. f(x): D = , R =
;
f-1(x): D is all real numbers, R =
C. f(x): D = , R =
;
f-1(x): D = , R =
D. f(x): D = , R =
;
f-1(x): D = , R =
Answer: C
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State whether you think that the variables have strong positive correlation, weak positive correlation, strong negative correlation, weak negative correlation, or no correlation.Time spent walking and distance walked
A. No correlation B. Strong negative correlation C. Strong positive correlation D. Weak positive correlation E. Weak negative correlation
Solve the problem.Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mean retirement age. Round your answer to the nearest tenth.
A. 57.1 B. 56.5 C. 58.0 D. 57.8
Provide an appropriate response.For the linear function f(x) = mx + b, f(2) = 8 and f(-6) = 20. Find m and b.
A. m = ; b = 6
B. m = ; b = 3
C. m = ; b = 10
D. m = - ; b = 11
Solve the system of equations.
A. x = 5, y = 3, z = 4; (5, 3, 4) B. x = 4, y = 3, z = 5; (4, 3, 5) C. x = 4, y = 5, z = 3; (4, 5, 3) D. inconsistent