Find all solutions.x3 + 4x2 - x - 4 = 0
A. {-4, 4}
B. {-1, 1, -4}
C. {1, -4, 4}
D. {16}
Answer: B
Mathematics
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Express the abbreviation 12.2 cis 174.3° as a polar number.
What will be an ideal response?
Mathematics
Provide an appropriate response.Consider the linear equation in three variables x - y + z = 6. Find a pair of linear equations that, when considered together with the given equation, will form a system having no solution.
What will be an ideal response?
Mathematics
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.
-2
A. 
B. 
C. 
D. 
Mathematics
Find the limit and determine if the function is continuous at the point being approached.
cos
A. 1; yes
B. 
; yes
C. 
; no
D. does not exist; no
Mathematics