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.

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Use a calculator to estimate the limit.

A. ? B. 0 C. -? D. does not exist

Mathematics