Find the y-intercept for the graph of the quadratic function.y = (x + 1)2 - 1
A. 2
B. -2
C. 1
D. 0
Answer: D
Mathematics
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Use the theoretical probability formula to solve the problem. Express the probability as a simplified fraction.A fair coin is tossed two times in succession. Find the probability of getting the same outcome on each toss.
A. 
B. 1
C. 
D. 
Mathematics
Use an identity to write the expression as a single trigonometric function or as a single number.4 sin 2x cos 2x
A. 2 sin 4x
B. 
sin 16x
C. cos 8x
D. cos 4x
Mathematics
Find the derivative of the function.
?
?
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to estimate the limit.
A. ? B. 0 C. -? D. does not exist
Mathematics