Determine whether the given relationship defines a function. If so, identify the independent and dependent variable, and why the relationship is a function.Derek's weight w in second grade g.
A. No
B. Yes; g, w; there is one weight for second grade.
Answer: A
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Parametric equations and and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 3 sin t, y = 4 cos t, 0 ? t ? 2?
A. 
+ 
= 1; Counterclockwise from
(3, 0) to (3, 0), one rotation
B. 
+ 
= 1; Counterclockwise from
(0, 3) to (0, 3), one rotation
C. 
+ 
= 1; Counterclockwise from
(4, 0) to (4, 0), one rotation
D. 
+ 
= 1; Counterclockwise from
(0, 4) to (0, 4), one rotation
Suppose for some base b > 0 (b ? 1) that logb 2 = A, logb 3 = B, 
and 
Express the given logarithms in terms of A, B, C, or D.logb 14
A. -14A B. A + D C. 14A D. A + B
Evaluate the determinant.
A. 261 B. -279 C. -270 D. 270
Find the solution to the system of equations by the substitution method. 4x + y = 0-4x + y = -8
A. (1, -4) B. (-1, -4) C. (1, 8) D. (-1, 4)