Solve the problem.A map shows that city A is 30 miles north of city B. A ruler shows that the cities are 2
inches apart on the map. How many actual miles are represented by each inch on the map?
A. 15 miles
B. 12 miles
C. 
miles
D. 450 miles
Answer: B
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Determine whether the nonincreasing sequence converges or diverges.an = 
A. Diverges B. Converges
The graph and equation of a polynomial f(x) are given. Determine the number of real zeros and the number of imaginary zeros.f(x) = 3x5 + 10x3 + 15x + 19
A. One real zero; two imaginary zeros B. One real zero; four imaginary zeros C. Two real zeros; three imaginary zeros D. Two real zeros; no imaginary zeros
Solve the problem.Since cos 
= - 
and 
is in the interval [0, ?], cos-1 - 
=
A. - 
B. 
C. 
D. 27
Provide an appropriate response.A student is solving the equation s2 = 22 and has determined that s = 2. He or she has looked up the answer in the back of the book and finds that s = -2 is also a solution. The student feels that this is a misprint. How would you advise him or her?
What will be an ideal response?