Determine the domain and the range of the function.f(x) = x2 + 2x
A. domain: {x|x ? -1}
range: {y|y ? -1}
B. domain: all real numbers
range: {y|y ? -1}
C. domain: all real numbers
range: {y|y ? 1}
D. domain: {x|x ? 1}
range: {y|y ? 1}
Answer: B
You might also like to view...
Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
The map below has horizontal and vertical grid markers for ease of use. For example, Newport is located in grid A4. Use the grid labels to indicate the location of the given city.
Capitol City
A. D5 B. F5 C. E5 D. E4
Provide an appropriate response.The number 26,843,545.6 is a term in the sequence 0.1, 0.2, 0.4, 0.8, 1.6, ... .Which term is it?
A. 28 B. 30 C. 29 D. 27
Perform the conversion.1.8 kL = ___ L
A. 180 B. 1800 C. 0.0018 D. 0.018