Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write each logarithm in terms of a and b.ln 20
A. 2a + b
B. a + b
C. 2a + 2b
D. 4b
Answer: A
Mathematics
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Integrate the function.
dt
A. 
+ C
B. - 
+ sin-1 4t + C
C. - 
+ C
D. - 
+ C
Mathematics
Solve the problem.If the derivative of an even function f(x) is zero at x = c, can anything be said about the value of 
Give reasons for your answer.
What will be an ideal response?
Mathematics
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.C = 2?r; C = 12.56, ? = 3.14
A. r = 4 B. r = 78.88 C. r = 15.70 D. r = 2
Mathematics
Solve the inequality.
> 
A. (-?, -13) or (-1, 3) B. (-?, -13) or (3, ?) C. (-13, -1) or (-1, 3) D. (-13, -1) or (3, ?)
Mathematics