Find the limit and determine if the function is continuous at the point being approached.
cos 
A. Does not exist; no
B. 1; no
C. Does not exist; yes
D. 1; yes
Answer: A
Mathematics
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Perform the indicated operation and express the answer in decimal notation.(3 x 102) x (6 x 105)
A. 180,000,000 B. 18,000,000,000 C. 1,800,000,000 D. 18,000,000
Mathematics
Solve by the substitution method.x - 5y = 78x - 4y = 56
A. {(x, y)|x - 5y = 7} B. {(-7, -1)} C. {(7, 0)} D. ?
Mathematics
Solve the equation.3 - (x - 1) = -4x + 3(x + 10)
A. 
B. 
C. ?
D. {all real numbers}
Mathematics
Find the area of the geometric figure.
A. 45 sq yd B. 129 sq yd C. 123 sq yd D. 126 sq yd
Mathematics