Determine whether the function is one-to-one.f(x) = x

A. Yes
B. No

Answer: A

Mathematics

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Find the first four nonzero terms in the Maclaurin series for the function.e-4x

A. 1 - 4x +  +  + . . .
B. 1 - 4x +  +  + . . .
C. x - 4x +  +  + . . .
D. -4x - 64x3 - 1024x5 - 16,384x7 + . . .

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Mathematics

Solve the system by graphing on a calculator. Round to the nearest hundredth if necessary.y = e2x+32x + y = 3

A. {(-0.75, 4.5)} B. {(0.75, 4.5)} C. {(0.75, -4.5)} D. {(-0.75, -4.5)}

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Mathematics

Verify the identity.cos  =  cos ? -  sin ?

What will be an ideal response?

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Mathematics

The graph of r = a? in polar coordinates is an example of the spiral of Archimedes. With your calculator set to radian mode, use the given value of a and interval of ? to graph the spiral in the window specified.a = 3, 0 ? ? ? 2?, [-20, 20] by [-20, 20]

A.

B.

C.

D.

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Mathematics