Evaluate the function.f(x) = -x + 6, f(4)

A. 4
B. 2
C. -2
D. 8

Answer: B

Mathematics

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Find the length and direction (when defined) of u × v.u = -2i + 4j - 4k, v = 4i - 8j + 8k

A. 6; (2i - 4j + 4k)
B. 6; (2i - 4j + 4k)
C. 0; 2i- 4j + 4k
D. 0; no direction

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Mathematics

Graph the function to find the stated characteristic of the graph.Graph f(t) = -1.5 sin (2(t + )) in  by . State the amplitude.

A. 1.5 B. 0.75 C. 3 D. -1.5

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Mathematics

Find the product.(7x2 - 4)2

A. 49x2 - 56x + 16 B. 49x4 + 56x2 + 16 C. 49x4 - 56x2 + 16 D. 49x4 - 56x2 - 16

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Mathematics

Factor the trinomial completely.3x2 - 21x + 30

A. 3(x - 1)(x - 30) B. 3(x + 5)(x + 2) C. (3x - 1)(x - 30) D. 3(x - 5)(x - 2)

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Mathematics