Write the expression in expanded form.112
A. 11 + 11
B. 11 ? 11
C. 11 ? 11 ? 11
D. 11 ? 2
Answer: B
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Find the area A. Round the answer to three decimal places.
A. 10.996 cm2 B. 21.991 cm2 C. 1.833 cm2 D. 3.5 cm2
Graph the function.f(x) = x2 + 
A. 
B. 
C. 
D. 
A weight is hung from a spring and set in motion so that it moves up and down continuously. The velocity v of the weight at any time t is given by the equation ? v = 3.5sin 4?t ? where v is measured in meters per second and t is measured in seconds. Find the maximum velocity of the weight and the amount of time it takes for the weight to move from its lowest position to its highest position. ?
A. The maximum velocity is 3.5 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds.
B. The maximum velocity is 3.5 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds.
C. The maximum velocity is 7 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds..
D. The maximum velocity is 7 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds.
E. The maximum velocity is 2.5 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds.
Evaluate (if possible) the sine, cosine, and tangent of the real number.
?
?
A. 
corresponds to the point 
.
B.
corresponds to the point 
.?
?
C.
corresponds to the point 
.?
?
D.
corresponds to the point 
.?
?
E. Not possible