Find the domain of the function.y = 
A. 
B. 
C. 
D. (-?, ?)
Answer: C
Mathematics
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Factor completely. If the polynomial is prime, then state this as your answer.9x2 + 18x + 8
A. (3x + 4)(3x + 2) B. prime C. (3x - 4)(3x - 2) D. (9x + 4)(x + 2)
Mathematics
Solve the problem.A room measures 15 ft by 
The ceiling is 
above the floor. The door measures 
by 
If a gallon of paint will cover 79.6 ft2, how many gallons of paint are needed to paint the room? Assume that the ceiling will be painted but not the door. Round your answer up to the next whole number.
A. 14 gal B. 24 gal C. 4 gal D. 10 gal
Mathematics
Perform the indicated operations and write the result in standard form.
- 
A. 
- 11i
B. i(
- 11)
C. 
i - 11
D. i(
+ 11)
Mathematics
Find the determinant of the matrix and determine if the matrix is invertible.
Mathematics