Evaluate.; k = 7, m = 2, n = 8, r = 2

A.
B. - 
C.
D.


Answer: A

Mathematics

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Perform the following operation. ? Multiply  and  . ?

A.
B.
C.
D.
E.

Mathematics

Find v ? u.v =  and u = 

A. i - j
B. i
C. 0
D.  - 

Mathematics

Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = -x2(x + 8)(x2 + 1)

A. x = 0, touches the x-axis and turns around; x = 8, crosses the x-axis B. x = 0, touches the x-axis and turns around; x = -8, crosses the x-axis; x = -1, crosses the x-axis; x = 1, crosses the x-axis; C. x = 0, touches the x-axis and turns around; x = -8, crosses the x-axis D. x = 0, touches the x-axis and turns around; x = -8, crosses the x-axis; x = -1, touches the x-axis and turns around

Mathematics

Graph the inequality and write the solution set using both set-builder notation and interval notation.x > 5 

A. {x|x ? 5}, (-?, 5]

B. {x|x < 5}, (-?, 5)
 
C. {x|x > 5}, (5, ?)
 
D. {x|x ? 5}, [5, ?)

Mathematics