Provide an appropriate response.Why is it important to know how to multiply radical expressions before learning to divide them?
What will be an ideal response?
If division requires rationalizing the denominator, it is necessary to know how to multiply radical expressions.
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Solve the problem.In 2004, exit polls on the day of the election showed presidential candidate John Kerry ahead of George W. Bush. Later, it was found that those that voted for Bush were less interested in answering exit polls than other voters. This fact illustrates that the 2004 presidential exit polls were flawed because
A. of sampling variability. B. the sample size was too small. C. they were not a stratified survey. D. the sampling proportion was too small. E. of non-response bias.
Use the graph to identify the x- and y- intercepts or state that there is no x- or y-intercept.
A. x-intercept = 9; y-intercept = 0 B. no x-intercept; y-intercept = 9 C. x-intercept = 9; no y-intercept D. x-intercept = 0; y-intercept = -9
Use the laws of exponents to simplify. Do not use negative exponents in your answer.(4-6)-4
A. 
B. 424
C. 410
D. 
Provide an appropriate response.Let
f(x) = 4. Find
(-4)f(x).
A. 4 B. 256 C. -262,144 D. -4