Determine where the function is increasing and where it is decreasing.f(x) = -x2 - 4x + 5
A. increasing on (-2, ?)
decreasing on (-?, -2)
B. increasing on (-?, 9)
decreasing on (9, ?)
C. increasing on (-?, -2)
decreasing on (-2, ?)
D. increasing on (9, ?)
decreasing on (-?, 9)
Answer: C
You might also like to view...
Solve the problem.Doctors use the rational expression 
to determine the dosage of a drug prescribed for children. In this expression, A = child's age and D = adult dosage. What is the difference in the child's dosage for an 8-year-old child and a 4-year-old child? Express the answer as a single rational expression in terms of D.
A. 
D
B. 
D
C. 14D
D. 
D
Eliminate the parameter t from the following and then sketch the graph:
?
?
A. 
B.
C.
D.
E.
Find the value of the permutation.P(11, 4)
A. 3,960 B. 10,080 C. 1,663,200 D. 7,920
Solve the equation by finding an expression for the determinant on the left, and then solving using the appropriate method.
= 7
A. {5}
B. {
}
C. {-5}
D. 