Solve the equation by completing the square.x2 + 10x = -5
A. {± 2
}
B. {-5 ± 2
}
C. {2
± 5}
D. {-5 ± 2
}
Answer: D
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. 
local maximim
B. 
saddle point; 
C. 
saddle point
D. 
local minimum; 
local minimum
A study on worldwide oil use was prepared for a major oil company. The study predicted that the amount of oil used to fuel productivity in a certain country is given by
?
?
where f (t) denotes the number of barrels per $1,000 of economic output and t is measured in decades (
corresponds to 1965). Compute f '(0) and f ?'(2).
?
Round the answer to the nearest hundredth.
?
A. 
?
B. ?
?
C. ?
?
D. ?
?
E. ?
?
State whether the linear model shown in the graph is exact or approximate. Then find the equation of the line.
A. Approximate; y = -x - 2 B. Approximate; y = -2x + 2 C. Exact; y = -x - 2 D. Exact; y = -2x + 2
Provide an appropriate response.Is it true that the equation 297x + 82 = 177 and the equation 
are always equivalent equations?
A. True B. False