Graph the unit circle using parametric equations with your calculator set to radian mode. Use a scale of 
. Trace the circle to find all values of t between 0 and 2? satisfying the following statement. Round your answers to the nearest ten-thousandth.
?
?
A. ??t? = 0.5236, 2.8338
B. ??t? = 0.5236, 2.618
C. ??t? = 0.647, 2.8338
D. ?t = 2.618, 0.647
E. ??t? = 0.5236, 0.647
Answer: B
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. y = x2, y = 9, x = 0
A. 18?
B. 
?
C. 
?
D. 
?
Find the derivative of y with respect to x, t, or ?, as appropriate.y = e2 - 2x
A. e-2 B. -2 ln (2 - 2x) C. 2e2 - 2x D. -2e2 - 2x
Simplify the expression by combining any like terms.5a - 2a - a - 13
A. 3a - a - 13 B. 2a - 13 C. 3a - 13 D. 3a - 14
Solve the problem.Draw a scatterplot of the given data. Find the equation of the line containing the points 
and 
. Graph the line on the scatterplot.
A. y = 0.41x + 0.47
B. y = 0.42x + 0.5
C. y = 0.35x + 0.6
D. y = 0.46x + 0.47