Provide an appropriate response.A student solved an equation by the quadratic formula and reached the step x = 
.What are the solutions of the original equation?
A. - 
B. - 
, - 
C. - 3, 
D. The equation has no real number solutions.
Answer: B
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Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 4000 in 4 hours, when will its population be 2530? Assume that the population decreases according to the exponential model.
A. after 5 hr B. after 7 hr C. after 9 hr D. after 6 hr
Solve the initial value problem.t
+ 6y = t3; t > 0, y(2) = 1
A. y = 
+ 
t-6, t > 0
B. y = 
+ 
t-6, t > 0
C. y = 
+ 
t-6, t > 0
D. y = 
- 
t-6, t > 0
Identify a pattern in the sequence of figures. Then use the pattern to find the next figure in the sequence.
A. 
B. 
C. 
D. 
Express the given trigonometric function in terms of the indicated function.tan ?, in terms of csc ?
A. tan ? = ±
B. tan ? = 
C. tan ? = 
D. tan ? = 