Find the range of the quadratic function in interval notation.f(x) = -(x + 2)2 + 5
A. (-?, 2]
B. [-2, ?)
C. (-?, 5]
D. [5, ?)
Answer: C
Mathematics
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Several computer stores reported differing prices for toner cartridges for a laser printer (in dollars): 55, 56, 76, 74, 79, 58, 59, 54, 74. Find the mean price of a toner cartridge.
A. $66.00 B. $65.00 C. $65.20 D. $64.80 E. $64.90
Mathematics
Find the value of df-1/dx at x = f(a).f(x) = 4x + 6, a = 4
A. 
B. 
C. 4
D. 6
Mathematics
Provide an appropriate response.What are some word phrases that mean multiplication?
What will be an ideal response?
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what times was the temperature higher than 77°F?
A. from 11 a.m. until 3 p.m. B. from 12 p.m. until 3 p.m. C. from 12 p.m. until 1 p.m. D. after 12 p.m.
Mathematics