Factor.x3 - x2 - 72
A. (x2 + 8)(x2 - 9)
B. Prime
C. (x2 + 9)(x2 - 8)
D. (x2 + 1)(x2 - 72)
Answer: B
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Use graphical methods to find values of x and y satisfying the given conditions. Find the value of the maximum or minimum.Find x ? 0 and y ? 0 such that2x - 4y ? 10 2x + y ? 15 and z = 4x + 5y is minimized.
A. Minimum of 20 when x = 5 and y = 0 B. Minimum of 39 when x = 1 and y = 7 C. Minimum of 75 when x = 0 and y = 15 D. Minimum of 33 when x = 7 and y = 1
Simplify the radical.
A. 16
B. 4
C. 4
D. 4
Find the area of the region under the graph of 
from 
to 
varid="variable_id_field" variablename="impvar_32575ad26467448a9c8b54647" />.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. x = 
, y = 
; 
B. x = - 
, y = - 
; 
C. x = 
, y = - 
; 
D. not applicable