Provide an appropriate response.Solve the quadratic inequality: (x - 5)(x + 4) ? 0
A. -4 < x < 5
B. -5 ? x ? 4
C. x ? -4 or x ? 5
D. -4 ? x ? 5
Answer: D
Mathematics
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Solve the problem.The function 
describes a company's net monthly profit or loss and the function 
describes its monthly costs, where x represents the number of units produced. The total revenue function, R(x), is such that 
. Find R(x).
A. R(x) = 50x - 0.3x2 B. R(x) = 49x - 0.6x2 C. R(x) = 52x - 0.3x2 D. R(x) = 50x + 0.3x2
Mathematics
Add or subtract. Simplify your answer to lowest terms.
+ 
A. 
B. m - 5
C. m + 5
D. m - 6
Mathematics
Write an inequality involving the variable x that describes the set of numbers graphed.
A. -2 < x < 2 B. -2 ? x ? 2 C. -2 < x ? 2 D. -2 ? x < 2
Mathematics
Find both the additive inverse and the multiplicative inverse for the given number.5
A. -5,- 
B. 
, -5
C. -5, 
D. 0, 1
Mathematics