Verify the identity.
= 
What will be an ideal response?
= 
= 
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.
Mathematics
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Find the numerical value of the expression for 
and 
A. a) 
b) 
B. a) 
b) 
C. a) 
b) 
D. a) 
b) 
Mathematics
Sketch a graph of f.f(x) = -2x2
A. 
B. 
C. 
D. 
Mathematics
Use the order of operations to simplify the expression.40 ÷ 20 ? (-5)
A. 2.67
B. 10
C. -10
D. - 
Mathematics
Solve the problem.The population(in thousands) of a small town is modeled by the function P(t) = 
, t ? 0. The point of inflection occurs at a time when the rate of increase of the population is beginning to slow down. At what time does the point of inflection occur?
A. t = 34.5 B. t = 27.6 C. t = 23.0 D. t = 18.4
Mathematics