Perform the indicated operation. Write the answer in standard form.10i(4i)
A. -40
B. -14
C. 14
D. 40
Answer: A
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Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: all real numbers range: {y|y ? -3 or y ? 3} intercepts: (-3, 0), (3, 0) symmetry: y-axis B. function domain: {x|-3 ? x ? 3} range: all real numbers intercepts: (-3, 0), (3, 0) symmetry: x-axis, y-axis C. function domain: {x|x ? -3 or x ? 3} range: all real numbers intercepts: (-3, 0), (3, 0) symmetry: x-axis, y-axis, origin D. not a function
Multiply.
A. 430,000 B. 420,000 C. 421,000 D. 419,000
Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.sec ? = 
Find cot ?.
A. 
B. 
C. 
D. 
Find the area of the region enclosed by 
, 
, and the y-axis.
?
A. 
B. 
C. 
D. 
E. 