Find the amplitude or period as requested.Find the amplitude of y = 2 sin (3x + ?).
A. 6
B. ?
C. 3
D. 2
Answer: D
Mathematics
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Solve.A $290 lamp is on sale at 10% off. How much will the coat cost?
A. $29.00 B. $2.90 C. $2871.00 D. $261.00
Mathematics
Graph the equations.f(x) = 
x2
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.When using the quadratic formula, why is it necessary only to examine the discriminant to determine if the equation has real-number solutions?
What will be an ideal response?
Mathematics
Convert as indicated. If necessary, round to the nearest tenth of a degree.The temperature recorded on a thermometer was 12°C. Find the corresponding temperature in degrees Fahrenheit.
A. 53.6°F B. -25.3°F C. -10.4°F D. 38.7°F
Mathematics