For the pair of functions, find the indicated domain.f(x) = 
, g(x) = x + 2Find the domain of g ? f.
A. (-?, ?)
B. (-?, -1) ? (-1, ?)
C. (-?, -1] ? [-1, ?)
D. (-?, -3) ? (-3, ?)
Answer: B
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Use the unit circle to find the value of the trigonometric function.tan 
A. 
B. 
C. 
D. 1
Find all real numbers that satisfy the equation. Round approximate answers to 2 decimal places.3 = 7 sin(x) + 1
A. 0.28 + 2k? or 2.86 + 2k? where k is any integer B. 0.29 + 2k? or 2.85 + 2k? where k is any integer C. 0.29 + k? or 2.85 + k? where k is any integer D. 0.29 + 2k? or 3.43 + 2k? where k is any integer
Solve the equation.
- x = 6
A. x = -7, -3 B. x = -7 C. x = -3 D. No solution
Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest ten. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 1230 ; yes B. Estimate: 1160 ; no C. Estimate: 1010 ; yes D. Estimate: 1140 ; no