Use the graph to identify domain and range.
A. domain: (- 1, ?)
range: (-?, ?)
B. domain: (-?, ?)
range: [- 1, ?)
C. domain: (-?, ?)
range: (- 1, ?)
D. domain: [- 1, ?)
range: (-?, ?)
Answer: B
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. ln 
- 
+ C
B. ln 
- 
+ 
+ C
C. ln 
+ 
+ C
D. ln 
- 
+ 
+ C
Identify the vertex, axis of symmetry, and whether the parabola opens upward or downward.
A. (0, 2); x = 0; Upward B. (2, 0); x = 0; Downward C. (2, 0); x = 2; Upward D. (0, 2); x = 0; Downward
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 4x2 + 8x
A. maximum at 
B. maximum at 
C. minimum; (ii) 
D. minimum at 
Solve the system by graphing.
A. (2, 6) B. (8, 8) C. (-6, -10) D. (6, 2)