Solve each problem.The cost of a computer system increases with increased processor speeds. The cost C of a system as a function of processor speed is estimated as 
where S is the processor speed in MHz. Find the processor speed for which cost is at a minimum.
A. 0.2 MHz
B. 0.3 MHz
C. 3.6 MHz
D. 1.4 MHz
Answer: A
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Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.If it's not Saturday, then Dad will shave. If Dad has whiskers, then he did not shave. If it's Saturday, then Dad will take us to the game.
A. If Dad has whiskers, then he will take us to the game. B. If Dad did not shave, then he has whiskers. C. If Dad shaves, then it's not Saturday. D. If Dad takes us to the game, then he has whiskers.
Solve the equation for the unknown variable.log5d = 3
A. d = 243 B. d = 15 C. d = 8 D. d = 125
Solve.Toni needs to cut a 4
- foot board into 6 equal pieces. How long should each piece be?
A. 
ft
B. 
ft
C. 25
ft
D. 4 
ft
Find the zeros of the function. Give exact answers.f(x) = x2 - 3x - 8
A. 
B. 
C. 
D. 