Simplify the expression. Assume that all variables represent nonnegative numbers.2
+ 2
- 
A. 4
B. 3
C. 1
D. 5
Answer: B
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Find the absolute value.
A. ±2.2 B. -2.2 C. 0 D. 2.2
Solve.Find the slope of the line represented and include a label based on the context of the problem. Expresss your answer as a decimal rounded to two decimal places. 
A. 0.75 mm per second B. 1 mm per second C. 0.85 mm per second D. 1.3 mm per second
Find the range of the quadratic function in interval notation.f(x) = -7(x - 3)2 - 8
A. [-8, ?) B. (-?, 3] C. [-3, ?) D. (-?, -8]
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 = 
, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
D. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 