Use De Morgan's law to write the negation for the statement.She is not older than 20 and he is older than 20.
A. She is older than 20 but he is not older than 20.
B. It is not true that she is older than 20 or he is not older than 20.
C. She is older than 20 or he is not older than 20.
D. She is older than 20 or he is not younger than 20.
Answer: C
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Provide an appropriate response.Which of the following is an example of exponential growth?
A. the number of notes in a song B. the better the quality of sound C. the increase in frequencies in scale D. the change in height of a newborn baby
Find the x- and y-intercepts of f.f(x) = (x - 3)2(x2 - 16)
A. x-intercepts: 3, 16; y-intercept: 48 B. x-intercepts: -4, 3, 4; y-intercept: -144 C. x-intercepts: -3, -16; y-intercept: 48 D. x-intercepts: -4, 3, 4; y-intercept: 144
Write as the sum and/or difference of logarithms. Express powers as factors.log6
A. log6(x - 1) -log6x B. 4log6x -log6(x - 1) C. log6(x - 1) - 4log6x D. log6(x - 1) + 4log6x
Solve the problem.The total revenue from the sale of x stereos is given by R(x) = 3000(1 - 
)2. Find the average revenue from the sale of x stereos.
A. 
2
B. 1500x
2
C. 3000x
2
D. 
2