Find the open interval(s) where the function is changing as requested.Decreasing; y = x2/5 + x7/5
A. 
B. 
, (0, ?)
C. 
D. (-?, 0), 
Answer: C
Mathematics
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Factor.15z4 + 2z2 - 8
A. (5z2 + 4)(3z2 - 2) B. (3z4 + 2)(5z - 4) C. (5z4 + 4)(3z - 2) D. (3z2 + 2)(5z2 - 4)
Mathematics
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.Andrea's sleeping bag is designed for camping in temperatures of 35°C or warmer. For what Fahrenheit temperatures is her sleeping bag designed? Round to the nearest tenth of a degree.
A. 12.6° F or warmer B. 88.6° F or warmer C. 120.6° F or warmer D. 95.0° F or warmer
Mathematics
Solve the following equation by finding the exact solution.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime. x2 - 
x + 
A. 
B. 
C. prime
D. 
Mathematics