Solve the equation.28 ÷ d = 4
A. 28
B. 7
C. 112
D. 6
Answer: B
Mathematics
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Use Taylor series to evaluate the limit.
A. 2 B. -1 C. -2 D. 1
Mathematics
Solve the system of equations using matrices. Use Gaussian elimination with back-substitution. x + y + z - w=6 2x - y + 3z + 4w=-4 4x + 2y - z - w=-13 -x - 2y + 4z + 3w=12
A. {(- 
, 
, 
, - 
)}
B. {(4, -3, -5, 2)}
C. {(
, - 
, - 
, 
)}
D. {(-4, 3, 5, -2)}
Mathematics
Determine the average rate of change for the function.p(x) = -x - 3
A. 3 B. -3 C. -1 D. 1
Mathematics
Sketch the graph of the quadratic function. Give the vertex and axis of symmetry.f(x) = -(x + 1)2 + 4
A. vertex: (1, - 4)
axis of symmetry: x = 1
B. vertex: (- 1, 4)
axis of symmetry: x = - 1
C. vertex: (1, 4)
axis of symmetry: x = 1
D. vertex: (- 1, 4)
axis of symmetry: x = - 1
Mathematics