Find the largest open interval where the function is changing as requested.Decreasing f(x) = x3 - 4x

A.
B.
C.
D.


Answer: A

Mathematics

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Find the mean, median, and mode for the given data set.10, 9, 6, 5, 13, 10, 10, 9, 5, 13, 10, 6, 14, 5, 10, 10, 6, 9, 5, 10

A. Mean = 8.75, median = 9.5, mode = 10 B. Mean = 8.75, median = 10, mode = 10 C. Mean = 9.25, median = 9, mode = 14 D. Mean = 8.75, median = 9, mode = 10

Mathematics

Use unit ratios to convert the units.272 ounces to pounds

A. 27 lb B. 68 lb C. 18 lb D. 17 lb

Mathematics

Subtract the polynomials.(6x7 - 7x5 - 17x) - (3x7 - 20x5 - 8x)

A. 3x7 - 4x5 - 25x B. 3x7 + 13x5 - 25x C. 7x13 D. 3x7 + 13x5 - 9x

Mathematics

Solve the problem.A box of instant brownies has the list of ingredients shown in the table. Use this information to find the amount of the stated ingredient you would need to make the indicated number of servings. Water3 tablespoonsOil cupNuts cupBrownie Mix2 cupsAmount of water for 10 servings

A.  cups
B.  ounces
C. 3 tablespoons
D. 2 tablespoons

Mathematics