Write an equivalent expression using a commutative or associative law, as indicated.6 + x; commutative
A. x - 6
B. x + 6
C. 6 - x
D. -x - 6
Answer: B
Mathematics
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 0 and x = 3 using a left sum with two rectangles of equal width.
A. 16.875 B. 3.375 C. 12.5 D. 8.4375
Mathematics
Find the curvature of the space curve.r(t) = (4 t sin t + 4 cos t)i + 4j + (4t cos t - 4 sin t)k
A. ? = 
B. ? = 4t
C. ? = 
D. ? = - 
Mathematics
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The length of the hammer is 34 
.
A. mm B. km C. cm D. m
Mathematics
Match the equation to the graph.(y - 2)2 = 5(x + 2)
A. 
B. 
C. 
D. 
Mathematics