none

\frac{1}{2} e^ \frac{3t}{2}

\frac{1}{16} e^ \frac{3t}{2}

\frac{1}{8} e^ \frac{3t}{2}

R_D = 75 kH;   x_B = 57 kH;  y_B = 42,5 kH.

R_D =0 kH;   x_B = 50;  y_B = 45 kH.

R_D = -22,5 kH;   x_B = -40 kH;  y_B = 49 kH.

R_D = 13,3 kH;   x_B = 0 kH;  y_B = 21,7 kH.

X_A =-8 kH;   Z_A =-6,93 kH;  M_A = 18 kHм.

X_A =-18 kH;   Z_A =-16,93 kH;  M_A = 18 kHм.

X_A =-10 kH;   Z_A =-16,93 kH;  M_A = 19 kHм.

X_A =-28 kH;   Z_A =-26,93 kH;  M_A = 28 kHм.

Pearson product-moment correlation coefficient

Regression coefficient

Correlation coefficient

Parameter

none

\frac{1}{s+3} e^\frac{-3s}{1}

\frac{1}{s+3} e^\frac{-9-3s}{2}

\frac{1}{s+3} e^\frac{-9-3s}{1}

Positive correlation

Perfect correlation

Negative correlation

Zero correlation 

Cannot be determined

False

True

None of the choices

1-3t+2t^2

none

1-3t-2t^2

1-3t+4t^2

Cannot be determined

False

True

None of the choices

Cannot be determined

Correct decision

None of the choices

Error