Determine the place value of the digit 3 in the whole number.30,500,421
A. ten-thousands
B. tens
C. ten-millions
D. millions
Answer: C
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Solve the problem.Let u = 2i + 4j, v = 2i + 3j, and w = i - j. Write u = u1 + u2 where u1 is parallel to v and u2 is parallel to w.
A. u1 = 3v u2 = 2w B. u1 = 0.8333 v u2 = -2.500w C. u1 = 4v u2 = -12w D. u1 = 1.200 v u2 = -0.4000w
Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.
A. 2yz2
B. 128y7z9
C. 128yz 
D. 2yz 
Solve the problem.A box is to be made from a rectangular piece of cardboard by cutting a square from each corner and folding up the sides. The rectangular piece of cardboard is originally 28 inches long and 54 inches wide, and the squares removed from the corners are x inches wide. The volume of the box is given by the function 
What restrictions must be placed on x to satisfy the conditions of this model? In other words, what is the domain of this function?
A. 0 < x < 27 B. 0 < x < 14 C. x > 0 D. x > 14
Graph the function.f(x) = - 
log4x
A. 
B. 
C. 
D. 