Give a formula for a piecewise-defined function f for the graph shown.
A.
f(x) = 
B.
f(x) = 
C.
f(x) = 
D.
f(x) = 
Answer: A
Mathematics
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Find the length of the curve.The parabolic segment r = 
, 0 ? ? ? 
A. 
(
+ ln(
+ 1))
B. 
C. 
(
- ln(
- 1))
D. 
?
Mathematics
Solve the problem.What is the range of the cotangent function?
A. all real numbers from -1 to 1, inclusive B. all real numbers greater than or equal to 1 or less than or equal to -1 C. all real numbers, except integral multiples of ?(180)° D. all real numbers
Mathematics
Write the phrase as a mathematical expression. Use x as the variable.The product of 8.7 and the sum of a number and 10
A. 8.7(x - 10) B. 10(x - 8.7) C. 10(x + 8.7) D. 8.7(x + 10)
Mathematics
Determine whether the given value is a solution to the given equation.Is 3 a solution to x + 4.3 = 7.6?
A. Yes B. No
Mathematics