Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -2x2, [0, 4], left-hand endpoint
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the component form of the vector given the initial and terminal points.
; K(-12, 15), L(6, -7)
A. 
B. 
C. 
D. 
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Solve for the missing numbers. Markup is based on cost. Round dollar amounts to the nearest cent.
127% S $ ?
A. 
127% S $ 37.32
B. 
127% S $116.07
C. 
127% S $ 24.13
D. 
127% S $ 64.94
Mathematics
Write the number in scientific notation.9400
A. 9.4 × 10-2 B. 9.4 × 103 C. 9.4 × 102 D. 9.4 × 10-3
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Solve the quadratic equation. Write complex solutions in standard form.x2 + x + 4 = 0
A. 
± 
B. - 
± 
C. - 
± 
D. 
± 
Mathematics