Find the domain and range of the function.f(x) = (x + 3)2 + 4
A. Domain: (4, ?); range: (-?, ?)
B. Domain: (-?, ?); range: (-4, ?)
C. Domain: (-4, ?); range: (-?, ?)
D. Domain: (-?, ?); range: [4, ?)
Answer: D
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Solve the problem.The voltage v (in volts) induced in a tape head is given by 
where t is the time (in seconds). Find the average value of v over the interval from t = 0 to t = 2. Round to the nearest volt.
A. 6 volts B. 40 volts C. 1564 volts D. 194 volts
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.B = 82°28', c = 13.39 ft
A. A = 8°32', a ? 13.27 ft, b ? 1.755 ft B. A = 7°32', a ? 13.27 ft, b ? 1.76 ft C. A = 7°32', a ? 1.755 ft, b ? 13.27 ft D. A = 7°32', a ? 1.76 ft, b ? 13.27 ft
Solve. A lawyer stacks three case files on top of each other. The thicknesses of the files are 
, 
, and 
inches. What is the total height of the stack of files?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Solve the problem by estimating.Linda scored 92, 95, 70, 98, 64, and 100 on her calculus tests. Round each score to the nearest ten to estimate her total score.
A. 530 B. 520 C. 500 D. 510