Write the indicated term of the binomial expansion.(3x + 5)5; 5th term
A. 5625x2
B. 9375x
C. 15,625
D. 1875x
Answer: B
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Integrate the function.
A. tan-1 6 - tan-1 
B. tan-1 5 - tan-1 6
C. 
tan-1 6 - 
tan-1 
D. tan-1 
- tan-1 6
An expression that occurs in calculus is given. Write the expression as a single quotient in which only positive exponents and/or radicals appear.
A. 
B. (x2 + 2)3/2(2x + 1)-1/2(x2 - x + 6)
C. 
D. (x2 + 2)3/2(2x + 1)1/2(x2 - x + 6)
State whether the function is a polynomial function or not. If it is, give its degree.f(x) = 
A. Yes; degree -6 B. Yes; degree 5 C. Yes; degree 6 D. Not a polynomial
Solve the problem.Let P(t) be the quantity of strontium-90 remaining after t years. Suppose the half-life of strontium-90 is 28 years. Which of the following equations expresses the half-life information?
A. P
= 28P0
B. 28 = 
P0e-kt
C. P(28) = 
P0
D. 28 = 
P0
E. none of these