Using the horizontal-line test, determine whether the function is one-to-one.-0.4x2 + 2x + 2
A. Yes
B. No
Answer: B
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Solve the problem.Since tan 
= 1 and 
is in the interval 
, tan-1 1 =
A. 
B. - 
C. 4
D. 
In the table, Y1 is defined as a quadratic function. Use the table to do the following: a. Determine the coordinates of the vertex of the graph. b. Determine whether the vertex is a minimum point or a maximum point. c. Find the minimum or maximum value of the function. d. Determine the range of the function.
A. a. (-2.5, -6); b. minimum; c. -2.5; d. [-2.5, ?) B. a. (-2.5, -6); b. minimum; c. -6; d. [-6, ?) C. a. (-2.5, -6); b. maximum; c. -2.5; d. (-?, -2.5] D. a. (-2.5, -6); b. maximum; c. -6; d. (-?, -6]
Solve the equation.
- 
= 
A. 25
B. 
C. 5
D. -5
Set up and evaluate a double integral to find the volume of the solid bounded by the graphs of the equations 
and 
in the first octant.
?
A. 177,957 B. 19,773 C. 118,638 D. 59,319 E. 39,546