Determine whether the given quadratic function has a maximum or minimum value. Then find that maximum or minimum value.f(x) = -(x + 1)2 - 1
A. Maximum, 1
B. Minimum, 1
C. Maximum, -1
D. Minimum, -1
Answer: C
Mathematics
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Evaluate the geometric series or state that it diverges.
A. - 
B. 
C. - 
D. 
Mathematics
Simplify
Mathematics
Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
Mathematics
Solve the problem.The expression 0.60(226 - a - r) + r is used to obtain the target heart rate for a cardiovascular workout for a nonathletic female with age a and resting heart rate r. Find the target heart rate for a 19-year-old nonathletic female with a resting heart rate of 60 beats per minute.
A. 144.6 beats/min B. 148.2 beats/min C. 136.8 beats/min D. 147 beats/min
Mathematics