Find the area of the rectangle.
14 feet
A. 147 sq ft
B. 49 sq ft
C. 196 sq ft
D. 98 sq ft
Answer: D
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Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. Find the object's acceleration at time t.
A. a = - A
sin 
cm/sec2
B. a = - A sin 
cm/sec2
C. a = 
cos 
cm/sec2
D. a = - 
sin 
cm/sec2
Find the area of the triangle or rectangle. Round to the nearest thousandth, if necessary.
A. 1190 sq. yd B. 595 sq. yd C. 476 sq. yd D. 392 sq. yd
Find the domain of the rational expression.
A. {x|x is a real number and x ? 7} B. {x|x is a real number} C. {x|x is a real number and x ? 3} D. {x|x is a real number and x ? 3 and x ? 7}
Evaluate.
A. -1 B. 0 C. -5 D. 1