Use the graph to determine the domain and range of the function. 
A. domain: all real numbers
range: all real numbers
B. domain: {x|x ? 0 or x > 1}
range: {y|y ? -4, y ? 4}
C. domain: {x|x ? -4, x ? 4}
range: {y|y ? 0 or y > 1}
D. domain: {x|x ? -4, x ? 4}
range: {y|y ? 0 or y ? 1}
Answer: C
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Express the transform of the given expression in terms of s and ?
.y" - 2y' + 2y, f 
= -1, f' 
= 3
A. 
?
+ s - 5
B. 
?
+ s - 5
C. 
?
+ s - 2
D. 
?
- s - 1
Solve the equation for solutions in the interval [0°, 360°). Round to the nearest degree.cot 
= 1
A. {135°} B. {0°, 90°, 180°, 270°} C. {0°, 45°, 90°, 180°, 225°, 270°, 315°} D. {33°, 57°, 123°, 147°, 213°, 237°, 303°}
Solve the equation by multiplying both sides by the LCD.
= 1 + 
A. {-2, 4} B. {12} C. {-12} D. {6, 10}
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find [H3O+] if the pH = 3.4.
A. 4.0 × 10-4 B. 2.5 × 10-3 C. 4.0 × 10-3 D. 2.5 × 10-4