Without graphing, find the line of symmetry.f(x) = -(x + 6)2 - 9
A. x = 5
B. x = -6
C. x = 9
D. x = 7
Answer: B
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Use the given information to find the exact value of the expression.sin ? = 
, ? lies in quadrant I, and cos ? = 
, ? lies in quadrant I
Find cos (? + ?).
A. 
B. - 
C. 
D. 
Solve the problem.Fahrenheit temperatures can be obtained from Celsius (centigrade) by multiplying by 1
and adding 32°. What Fahrenheit temperature corresponds to a Celsius temperature of 44°?
A. 67
°F
B. 76
°F
C. 136
°F
D. 111
°F
Solve the system by elimination. If the system is inconsistent or has dependent equations, say so.0.3x + 0.9y = -4.8 x - 0.6y = 2
A. {(-0.1, -0.5)} B. Inconsistent: no solutions C. {(-1, -5)} D. {(-5, -1)}
Find the perimeter or circumference.A rectangle measuring 3 cm by 12 cm
A. 12 cm B. 18 cm C. 15 cm D. 30 cm