Solve the inequality by using the method of your choice. State the solution set in interval notation and graph it.x2 - 8x + 9 < 0
A. No solution
B. (4 - 
, 4 + 
)
4 -  | 4 +  |
C. (4 -
, 4 + 
)
4 -  | 4 +  |
D. (3 -
, 3 + 
)
3 -  | 3 +  |
Answer: C
Mathematics
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Write the indicated function.A rectangular sign is being designed so that the length of its base, in feet, is 16 feet less than 4 times the height, h. Express the area of the sign as a function of h.
A. A(h) = -16h2 + 2h B. A(h) = -16h + 4h2 C. A(h) = 16h - 2h2 D. A(h) = -16h + h2
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Factor the trinomial completely, or state that the trinomial is prime.48x2 + 28xy + 4y2
A. prime B. (12x + 4y)(4x + y) C. 4(3x + y)(4x + y) D. 4(3x - y)(4x - y)
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Find the cofactor of the indicated element of the matrix shown.a22;
A. 7 B. -1 C. 1 D. -7
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Find the partial fraction decomposition for the rational expression.
A. 
- 
B. 
+ 
C. 
+ 
D. 
- 
Mathematics