Factor by grouping.3x4 + 15x3 + 7x2 + 35x
A. x(x + 5)(3x2 + 7)
B. x(x + 5)(3x2 - 7)
C. x2(x + 5)(3x + 7)
D. x(3x + 5)(x2 + 7)
Answer: A
Mathematics
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Simplify the expression. Select the correct answer.
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Mathematics
Give the domain and range of the relation.{(12, 9), (-1, 7), (4, -9), (-7, 8), (-8, -4)}
A. Domain: {-1, -8, -7, 12, 4}; Range: {9, 7, -9, 8, -4} B. Domain: {-1, 9, -8, 7, -7}; Range: {-9, 12, 8, 4, -4} C. Domain: {9, 7, -9, 8, -4}; Range: {-1, -8, -7, 12, 4} D. Domain: {-9, 12, 8, 4, -4}; Range: {-1, 9, -8, 7, -7}
Mathematics
Write the number in decimal notation.Ten and six tenths
A. 1.6 B. 0.106 C. 10.6 D. 0.16
Mathematics
Differentiate the function.r(t) = (-6t2 + 14)i + 
j
A. r'(t) = (-12t)i + 
j
B. r'(t) = (-12)i + 
j
C. r'(t) = (-12t)i - 
j
D. r'(t) = 
i + (-12t)j
Mathematics