If the function is one-to-one, list the inverse function by switching coordinates or inputs and outputs.f = {(-9, 3), (9, -3), (2, -1), (-2, 1)}
A. not one-to-one
B. f-1 = {(3, -9), (-3, 9), (-1, 9), (1, -2)}
C. f-1 = {(3, -9), (-9, 9), (-1, 2), (1, -2)}
D. f-1 = {(3, -9), (-3, 9), (-1, 2), (1, -2)}
Answer: D
Mathematics
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Use reduction formulas to evaluate the integral.
A. 9 ln
- 
sin x + C
B. 9 ln
+ 
cos2 x + C
C. 9 ln
- 
cos2 x + C
D. 9 ln
+ 9 sin x + C
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Using a calculator, evaluate to four decimal places.ln 183
A. 5.2095 B. 0.1914 C. 2.2625 D. 67.5277
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Write the whole number in expanded form.90,380
A. 9000 + 300 + 8 B. 90,000 + 3000 + 80 C. 90,000 + 300 + 80 D. 9000 + 30 + 8
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Find the coordinates of the points of inflection for the function.f(x) = 
A. (-8, 1) B. (-9, 0) C. (-5, 2) D. There are no points of inflection.
Mathematics