? Positive proportional function? odd function

Inverse proportional function? odd function

Sine function odd function

Cosine function even function

Primary function b is not 0? Non-odd and non-even

Power function? All three are possible? Even function of even exponent

? Parity, odd function? Negative odd number, the image is only in the first quadrant, not odd or even.

Exponential function, nonsingular or even number

Tangent function