Solve the equation.
= x
A. {4}
B. {5}
C. {4, 5}
D. {4, -5}
Answer: A
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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 = 
;
f-1(x): D is all real numbers, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
Solve the problem.Decode the following message: 
, 
, 
, 
, 
The message was encoded by using the matrix M = 
A. He is gone B. Now or never C. No regrets D. No way out
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e x + 6 = 2
A. {-5.08} B. {2.08} C. {-5.31} D. {-3.92}
Determine what type of number the solutions are and how many solutions exist.w2 + 4w + 6 = 0
A. Two imaginary B. Two irrational C. One rational D. Two rational