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