?Indicate whether the statement "If A is a   matrix and B is a  matrix, then the product

class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_12507a7ed4854875a2d25aea3" /> is a  matrix." is true or false.

?



A. ?
B. ?

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Answer: B

Mathematics

The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 2, x = 6

A. r = 
B. r = 
C. r = 
D. r = 

Determine whether the argument is valid or invalid. You may compare the argument to a common form, if applicable, or use a truth table.If I'm hungry, then I will eat.I'm not hungry.  ? I will not eat.

A. Invalid B. Valid

Write the equation that results in the desired transformation.The graph of y = x2, vertically stretched by a factor of 5

A. y = -5x2 B. y = (x - 5)2 C. y = 5(x - 5)x2 D. y = 5x2

Solve the inequality. Express your answer using interval notation.0 <  < 2 

A.

B.

C.

D.