Rationalize the denominator. Write the quotient in lowest terms.
A. 
B. 
C. 1
D. 
Answer: D
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = cos x + 1, [0, 2?], right-hand endpoint
A. 
B. 
C. 
D. 
Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is 
.
A. f-1(x) = x + 32
B. f-1(x) = 
x + 32
C. f-1(x) = 
(x + 32)
D. f-1(x) = 
(x - 32)
Use Method I to simplify the complex rational expression.
A. (x - 4)(x + 3)
B. 
C. 
D. 
Write the decimal in words.2.000625
A. Two and six hundred twenty-five tenths B. Two and six hundred twenty-five thousandths C. Two and six hundred twenty-five millionths D. Two and six hundred twenty-five hundredths