Determine the phase shift of the function.y =  sin (?x + 5)

A.  units to the left
B. 5 units to the left
C. -  units to the left
D.  units to the right


Answer: A

Mathematics

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Use an Euler diagram to determine whether the syllogism is valid or invalid.Some investments are risky.Real estate is an investment.? Real estate is risky.

A. Valid B. Invalid

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Find the product.(x + 3)(x - 3)(4x + 2)

A. 4x3 + 2x2 - 36x - 18 B. 4x3 + 2x2 + 36x + 18 C. 4x3 - 22x2 + 24x + 18 D. 4x3 + 26x2 + 48x + 18

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Determine the upper and lower bounds on the zeros of the given function.F(x) = 2x3 - 3x2 - 4x + 4

A. upper bound: 2; lower bound: -3 B. upper bound: 3; lower bound: -3 C. upper bound: 3; lower bound: -1 D. upper bound: 3; lower bound: -2

Mathematics

Solve the problem.One card is selected from a deck of cards. Find the probability of selecting a black card or a card less than 9. (Note: The ace is considered a low card.)

A.
B.
C.
D.

Mathematics