For those which are polynomial functions, find the degree, the leading term, and the leading coefficient.f(x) = 4 + 7x - 5x3
A. Degree: 3, leading term: -5, leading coefficient: 4
B. Degree: 0, leading term: 4, leading coefficient: 4
C. not a polynomial function
D. Degree: 3, leading term: -5x3, leading coefficient: -5
Answer: D
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Use integration by parts to establish a reduction formula for the integral.
A. 
= 
cosn-1 x sin x - 
B. 
= cosn-1 x sin x - (n - 1) 
C. 
= - cosn-1 x sin x + (n - 1) 
D. 
= 
cosn-1 x sin x + 
Convert the mixed number to an improper fraction.25
A. 
B. 
C. 
D. 
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e3x = 6
A. {0.18} B. {0.60} C. {5.44} D. {5.38}
Solve the problem.A rumor is spread at an elementary school with 1200 students according to the model 
where N is the number of students who have heard the rumor and d is the number of days that have elapsed since the rumor began. How many students will have heard the rumor after 5 days?
A. 1006 students B. 689 students C. 661 students D. 1063 students