Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators.
B. Use the reciprocal of the second fraction (divisor) and multiply.
C. Add the numerators and multiply the denominators.
D. Add the numerators and factor the denominators.
Answer: B
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Solve the problem.If cos x is replaced by 
and |x| < 0.4, what estimate can be made of the error?
A. |E| < 0.000014222 B. |E| < 0.000034133 C. |E| < 0.000005689 D. |E| < 0.000085333
Graph the quadratic equation on [-10, 10] by [-10, 10]. Does this window give a complete graph?f(x) = x2 - 2x - 6
A. 
No
B. 
No
C. 
Yes
D. 
Yes
Find the quotient. Write the answer in standard form.
A. -9 B. -9i C. 9i D. 9
Solve the problem.A function that models the population (in thousands) of children under the age of 18 in a certain town, t years after 2010 is C(t) = 0.0013t2 - 0.163t + 15.82. A function that models the population (in thousands) of adults aged 18 or over of the same town, t years after 2010 is 
Find the equation of a function that models the estimated population of the town t years after 2010.
A. P(t) = 0.0076t2 - 0.38t + 40.9 B. P(t) = 0.0076t2 - 0.054t + 40.9 C. P(t) = 0.0063t2 + 0.0013t + 40.52 D. P(t) = 0.0076t2 - 0.38t + 9.26