Identify which graph matches the equation.f(x) = - x2 + 2AB
?
A. Graph A
B. Graph B
Answer: B
Mathematics
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Solve for x.
x = 
A. -4 B. 3 C. 4 D. 5
Mathematics
Solve the problem. If necessary, round to the nearest tenth or as indicated. An airplane is cruising at an altitude of 21,120 ft. What is the plane's altitude in miles?
A. 4 mi B. 3 mi C. 5 mi D. 8 mi
Mathematics
Solve the logarithmic equation.log (x - 3) = 1 - log x
A. 5 B. -5 C. -5, 2 D. -2, 5
Mathematics
Solve and check.An expression to approximate the windchill temperature (WCT) is 
where T is the temperature in degrees Fahrenheit and V is the wind speed in miles per hour. Find the WCT, rounded to the nearest whole number, if the temperature is 45°F and the wind speed is 
A. 25°F B. 27°F C. 30°F D. 34°F
Mathematics