Find the average rate of change of the function as x changes from a to b.g(x) = 5 - x2; a = -1, b = 7
A. 8
B. 6
C. -8
D. -6
Answer: D
Mathematics
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When directed distance is decreasing, what can be said about velocity? ?
A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. Velocity is increasing.
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = -9x4 + 3x3 - 7x2 + 8x - 2
A. 0 or 2 positive; 0 negative B. 0, 2, or 4 positive; 0 negative C. 0 or 2 positive; 0, 2, or 4 negative D. 0, 2, or 4 positive; 0, 2, or 4 negative
Mathematics
Follow the order of operations to work the problem.-12 - (-2 - 21) - 15
A. -4 B. 50 C. -8 D. 26
Mathematics
Find the common ratio r for the given infinite geometric sequence.3, 9, 27, 81, 243, ...
A. 9
B. 
C. -3
D. 3
Mathematics