Provide an appropriate response.A function has an inverse if and only if the function is ___________ .
A. one-to-one
B. unique
C. able to be graphed
D. linear
Answer: A
Mathematics
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Find the product.(-9)(-9)
A. 91 B. -91 C. -81 D. 81
Mathematics
Suppose 
. Let 
be the piecewise-defined function 
align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_70d1f851215d4c3196bc6f9d5" /> if 
, and 
if 
. What is the value of 
)?
?
A. 682
B. 83
C. 310
D. 41
Mathematics
Convert the angle to DMS notation. Round your answer to the nearest second.43.070°
A. 43°4'18'' B. 43°4'7'' C. 43°4'12'' D. 43°4'0''
Mathematics
Graph the function.y = 2 cot (x + 
) + 1 
A. 
B. 
C. 
D. 
Mathematics