Select the graph of the given function and determine the interval(s) for which f(x) ? 0.
?
f(x) = 16 - x2
?
A. ?
?
[-4, -4]
B. ?
?
[-4, 4]
C. ?
?
[-4, -4]
D. ?
?
[4, -4]
E. ?
?
[-4, 4]
Answer: E
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Perform the indicated operation. Write the answer in standard form.(3 + 9i)(3 + 5i)
A. -36 + 42i B. -36 - 42i C. 45i2 + 42i + 9 D. 54 + 12i
Graph the inequality.y ? -7 
A. 
B. 
C. 
D. 
Use the guidelines to evaluate the study. Discuss flaws that you see in the study. The host of a conservative talk show asked his listeners to respond to the following question: "Do you think that environmental laws which restrict growth should be weakened?" Twenty people responded, and the next day the talk show host announced that the results of his survey suggested that 76% of Americans feel that environmental laws should be weakened.
What will be an ideal response?
Evaluate the integral.
A. 
j + 
k
B. 
i + 
j - 
k
C. - 
?i + 
j + 
k
D. - 
?i + 
j + 
k