Solve the equation by completing the square.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
E. 
, 
Answer: C
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Factor the expression completely.3x2 - 24x + 48
A. (x - 4)(3x - 12) B. 3(x - 16)(x + 1) C. (3x - 12)(x - 4) D. 3(x - 4)(x - 4)
Use dot mode to graph the function f in the standard viewing rectangle. Evaluate f for the given x-values.f(x) = [[-x]] at x = -3.3 and x = 2.6
A. 
f(-3.3) = 1, f(2.6) = -3
B. 
f(-3.3) = 2, f(2.6) = -1
C. 
f(-3.3) = -4, f(2.6) = 2
D. 
f(-3.3) = 3, f(2.6) = -3
Find the exact value of the sum.sin 
+ sin 
A. 
B. 
C. 
D. 
In a large city, the amount of sulfur dioxide pollutant released into the atmosphere due to the burning of coal and oil for heating purposes is given approximately by 
for 
where P(t) is the amount of sulfur dioxide in tons released during the nth week after January 1. How many tons (to the nearest ton) of pollutants were emitted into the atmosphere from t = 0 to t = 65?
A. 4 tons B. 196 tons C. 203 tons D. 221 tons