Solve the inequality.x2 + 5x ? -6
A. (-?, -3] or [-2, ?)
B. (-?, -3]
C. [-3, -2]
D. [-2, ?)
Answer: A
Mathematics
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Solve the problem.The height in meters of girls of a certain tribe can be approximated by 
where t is the girl's age in years and 
Estimate the height (to the nearest hundredth of a meter) of a female child of the tribe, 4 years of age.
A. 0.52 m B. 1.12 m C. 0.77 m D. 0.96 m
Mathematics
Find the dimension of the matrix. Tell if the matrix is a square, column, or row matrix, when applicable.
A. 6, 1, 3, -1, -7, -5, -3 B. 5 × 3 C. 3 × 5 D. 15
Mathematics
Multiply.× 
A. 219.68 B. 219.57 C. 60.2 D. 220.67
Mathematics
Use your calculator to approximate the integral using the method indicated, with n = 100. Round your answer to four decimal places.
dx (Simpson's rule)
A. 4.4646 B. 4.3773 C. 4.3864 D. 4.4959
Mathematics