Find the vertex of the parabola.f(x) = -x2 + 15x - 2
A. 
B. 
C. (15, -2)
D. 
Answer: A
Mathematics
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Evaluate the improper integral.
A. 
B. 
C. 
D. 
Mathematics
Solve.The maximum number of volts, E, that can be placed across a resistor is given by the formula 
where P is the number of watts of power that the resistor can absorb and R is the resistance of the resistor in ohms. Solve this equation for R. Use the result to determine the resistance of a resistor if P is 2 watts and E is 30 volts.
A. R = 
B. R = E2P
C. R = E2P2
D. R = 
Mathematics
Multiply.8 ? 0
A. 16 B. 1 C. 8 D. 0
Mathematics
Write an equation that has the given solutions.
, 
A. x2 - 
x + 
= 0
B. x2 + 
x + 
= 0
C. x2 + 
x + 
= 0
D. x2 - 
x + 
= 0
Mathematics