Find the x-value of all points where the function has relative extrema. Find the value(s) of any relative extrema.f(x) = 2 + 8x - x2
A. Relative minimum of 0 at 4.
B. Relative maximum of 50 at 0.
C. Relative maximum of 16 at - 4.
D. Relative maximum of 18 at 4.
Answer: D
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Sketch the graph.The electromotive force for an electric circuit with a simplified generator is 
where t is the time in seconds. Graph the function for 
A. 
B. 
C. 
D. 
Indicate whether the equation illustrates the additive identity property, multiplicative identity property, additive inverses, or multiplicative inverses.-2 
= 1
A. Multiplicative inverse B. Additive inverse C. Multiplicative identity D. Additive identity
Solve the equation by completing the square.2m2 + 12m + 5 = 0
A. 
B. 
C. 
D. 
If a cylindrical tank holds 10000 gallons of water, which can be drained from the bottom of the tank in an hour, then Torricelli's Law gives the volume of water remaining in the tank after t minutes as
Find the rate at which the water is flowing out of the tank (the instantaneous rate of change of V with respect to t) as a function of t.