Use the graph of the function f to solve the inequality.f(x) ? 0  

A. (-4, 4) ? [4, ?)
B. (-?, -4) ? (4, ?)
C. [-4, 4]
D. (-4, 4)


Answer: B

Mathematics

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Solve the problem.Find the tangent to y = cot x at x = .

A. y = 2x -  + 1
B. y = -2x + 
C. y = 2x + 1
D. y = -2x +  + 1

Mathematics

Use the present value formula to determine the amount to be invested now, or the present value needed.The desired accumulated amount is $20,800 after 15 years invested in an account with 5% interest compounded annually.

A. $10,505.41 B. $10,005.16 C. $10,794.84 D. $43,241.71

Mathematics

Graph the linear equation using intercepts.y = x - 5

A.

B.

C.

D.

Mathematics

Solve the inequality. Write the solution set in interval notation and graph it.(x + 9) > (x + 6)

A. (24, ?)

B. (-24, ?)

C. (-?, 24)

D. (-?, -24)

Mathematics