Use a graphing calculator to solve the equation.x2 + 13x = -36
A. 4, 9
B. 9, -4
C. -9, 4
D. -9, -4
Answer: D
You might also like to view...
Find the domain and range of the function.y = x - 10
A. Domain: [10, ?), range: [0, ?) B. Domain: (-?, ?), range: (-?, ?) C. Domain: (-?, ?), range: [0, ?) D. Domain: [0, ?), range: [-10, ?)
Solve the problem.Suppose that during a flu epidemic in a particular city, the number of people, N(x), infected (in thousands) at the end of x weeks is approximated by ?N(x) = 
What is the horizontal asymptote of the graph of this function? What does this suggest about the maximum number of people who will eventually be infected? Explain your reasoning.
What will be an ideal response?
Use the fundamental identities to simplify the expression.cot ? sec ? sin ?
A. tan2? B. sec2? C. csc2? D. 1
Evaluate the expression.
?
?
A. 63 B. 19 C. 21 D. 2 E. 91