Find numbers a and b, or k, so that f is continuous at every point.
A. a = 1, b = -2
B. a = 1, b = 2
C. a = -1, b = 2
D. Impossible
Answer: B
Mathematics
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Write the algebraic expression without parentheses.- (7z - 8w + 8y)
A. -7z - 8w + 8y B. -7z + 8w + 8y C. -7z - 8w - 8y D. -7z + 8w - 8y
Mathematics
If 
and 
, determine the value of B. Round to two decimal places.
A. 68.55o?
B. 66.87o?
C. 28.13o?
D. 21.45o?
E. 23.13o?
Mathematics
Factor out the greatest common factor.12x8y7 + 60x2y4 - 48x4y2
A. no common factor B. 12x2y2(1x6y5 + 5y2 - 4x2) C. 12(1x8y7 + 5x2y4 - 4x4y2) D. 12x2(1x6y7 + 5y4 - 4x2y2)
Mathematics
Find the product and simplify, if possible.7
? 10
A. 70
B. 28
C. 280
D. 40
Mathematics