Write the inequality using interval notation, and illustrate the inequality using the real number line.-1 ? x < 5
A. [-1, 5)
B. [-1, 5)
C. (-?, 5)
D. (-1, 5]
Answer: B
Mathematics
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Find 
.y = (x2 + 4x)cos x
A. 
- (sin x) ln (x2 + 4x)
B. (x2 + 4x)cos x
C. (x2 + 4x)cos x
D. 
- (sin x) ln (x2 + 4x)
Mathematics
Solve the equation.65n2 + 45n = 0
A. 0
B. - 
, 0
C. 
, 0
D. 
, - 
Mathematics
Divide and simplify. Assume that all variables represent positive numbers.
A. 8
B. 8x4
C. 8x8
D. 8x4
Mathematics
Factor the trinomial completely.40x3 + 28x2 - 48x
A. x(20x - 16)(2x + 3) B. x(5x - 4)(8x + 12) C. 4(5x2 - 4)(2x + 3) D. 4x(5x - 4)(2x + 3)
Mathematics