Use the horizontal line test to determine whether the function is one-to-one.
A. No
B. Yes
Answer: B
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Multiply and simplify.
A. 32
B. 32y4
C. 8y3
D. 32y3
Determine if the graph of the function opens upward or downward and whether it has a maximum or a minimum point.f(x) = 8x2
A. Downward, minimum B. Upward, minimum C. Downward, maximum D. Upward, maximum
Completely factor the polynomial or state that the polynomial is prime.(x - 10)2 - 4
A. (x - 12)2 B. (x - 6)(x - 14) C. (x - 8)(x - 12) D. (x + 8)(x + 12)
Solve.The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate 
of power when 
of current is flowing through the resistor whose resistance is 
find the power that a resistor needs to dissipate when 
of
current are flowing through a resistor whose resistance is 
A. 225 watts
B. 45 watts
C. 270 watts
D. 405 watts