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) = x2 + 4x + 7
A. no real zeros; no imaginary zeros
B. no real zeros; two imaginary zeros
C. one real zero; one imaginary zero
D. two real zeros; no imaginary zeros
Answer: B
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= 7
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Solve.A recent advertisement claimed that 2 out of every 7 doctors recommend a certain herbal supplement to increase energy levels. If a local hospital employs 270 doctors, how many doctors would you expect to recommend the supplement? (Round to the nearest whole number, if necessary.)
A. 39 doctors B. 945 doctors C. 3780 doctors D. 77 doctors
Use integration by parts to find the integral.
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