Provide an appropriate response.Explain how to evaluate (-125)2/3.
What will be an ideal response?
Answers may vary. One possibility: First, satisfy the power in the denominator of the exponent by taking the cube root. Then, multiply the result by the power in the numerator of the exponent.
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Find all cube roots of the complex number. Leave answers in trigonometric form.-125
A. 5 cis 180°, 5 cis 0° B. 5 cis 60°, 5 cis 180°, 5 cis 300° C. 5 cis 120°, 5 cis 180°, 5 cis 300° D. 5 cis 30°, 5 cis 150°, 5 cis 270°
Identify the problem with the method used to obtain a random sample.Denis is interested in the opinions of students at his university regarding life after death. He obtains an alphabetical listing of names of all students at the university. He obtains a sample of 10 students by choosing every 1000th name from the list.
A. Choosing every 1000th name will lead to bias in the sample. Not all of students on the list have the same chance of being selected. B. The sample is too small. C. The sample is biased because the students on the list will not be representative of all students.
Find the requested function value.f(x) = 3x + 8, g(x) = 7x2 - 2x - 3Find (f ? g)(9).
A. 8502 B. 172 C. 134 D. 1646
Evaluate the following expression without using a calculator.
?
?
A. 6.6 × 104 B. ?6.6 × 10-3 C. ?6.6 × 107 D. 6.6 × 10-7 E. 6.6 × 10-4