Use the given values of the variables to find the value of the expression.
for x = -2, y = -1, a = 1
A. - 15
B. 
C. 
D. - 18
Answer: A
Mathematics
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Find the derivative of the function.f(t) = (6 - t)(6 + t3)-1
A. f '(t) = 
B. f '(t) = 
C. f '(t) = 
D. f '(t) = 
Mathematics
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
Mathematics
The sides of a square baseball diamond are 90 ft long. When a player who is between the second and third base is 30 ft from second base and heading toward third base at a speed of 24 ft/sec, how fast is the distance between the player and home plate changing? Round to two decimal places.
Mathematics
Determine the number of solutions to the given system without graphing.
A. one solution B. infinite number of solutions C. no solution
Mathematics