Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 2 + sec t, y = 5 + 2 tan t; 0 < t < 
A. (x - 2)2 + 
= 1; 1 ? x ? 3
B. (y - 2)2 - 
= 1; -? < x < ?
C. (x - 2)2 - 
= 1; x > 3
D. (x - 2)2 - (y - 5)2 = 4; -? < x < ?
Answer: C
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Find the percent of change and state whether. A client in a weight-loss program weighed 310 pounds when enrolling in the program and 273 pounds at the end of week four. Find the percent of change in the client’s weight.
A. 114% B. 88.1% C. 11.9% D. 36.89%
Graph the parabola. State the vertex of the parabola.y = (x + 1)2 - 4
A. vertex (4, 1)
B. vertex (-4, -1)
C. vertex (-1, -4)
D. vertex (1, -4)
List the intercepts of the graph.Tell whether the graph is symmetric with respect to the x-axis, y-axis, origin, or none of these. 
A. intercepts: (0, 3) and (0, -3) symmetric with respect to origin B. intercepts: (3, 0) and (-3, 0) symmetric with respect to x-axis, y-axis, and origin C. intercepts: (3, 0) and (-3, 0 symmetric with respect to y-axis D. intercepts: (0, 3) and (0, -3) symmetric with respect to x-axis, y-axis, and origin
Express as a single logarithm and, if possible, simplify.ln (x2 - 4) - ln (x + 2)
A. ln (x - 2) B. ln (x2 - 2) C. ln (x + 2) D. ln (x - 4)