Solve the inequality.x4 < 81x2
A. (-9, 0) or (9, ?)
B. (-?, -9) or (0, 9)
C. (-?, -9) or (9, ?)
D. (-9, 0) or (0, 9)
Answer: D
Mathematics
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Write the equation of the line using the information given about its graph.Slope - 
, y-intercept 5
A. y = - 
x + 5
B. y = 
x - 5
C. y = 
x + 5
D. y = - 
x - 5
Mathematics
Solve the problem.The function 
models the amount, f(x), in billions of dollars of new student loans x years after 1993. According to the model, in what year is the amount loaned expected to reach $45.75 billion?
A. 2023 B. 2018 C. 2021 D. 2022
Mathematics
Perform the indicated operation.5 gal 2 qt × 2
A. 10 gal B. 11 gal 2 qt C. 11 gal D. 12 gal
Mathematics
Find the determinant of the given matrix.
A. -10 B. -4 C. 4 D. 44
Mathematics