Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = (x - 2)2(x2 - 16)
A. 2, touches the x-axis and turns around;
-4, touches the x-axis and turns around;
4, touches the x-axis and turns around
B. 2, touches the x-axis and turns around;
-4, crosses the x-axis;
4, crosses the x-axis
C. -2, touches the x-axis and turns around;
16, crosses the x-axis
D. 2, touches the x-axis and turns around;
16, touches the x-axis and turns around
Answer: B
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A. $6013.50 B. $9736.42 C. $9228.84 D. $8521.50
Provide an appropriate response.Explain why the difference of two polynomials in x, both of degree 5, can be of degree 4.
What will be an ideal response?
The loudness L(x), measured in decibels, of a sound of intensity x, measured in watts per square meter, is defined as 
watt per square meter is the least intense sound that a human ear can detect. Determine the loudness, in decibels, of the sound.A particular Boeing 747 jetliner produces noise at a loudness level of 113 decibels. Find the intensity level (round to the nearest hundredth) in watt per square meter for this noise.
A. 0.40 watt per square meter B. 0.80 watt per square meter C. 0.20 watt per square meter D. 0.10 watt per square meter
Find the exact value by using a sum or difference identity.sin (190° - 70°)
A. 
B. - 
C. - 
D. 