Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. simplest form
B. x + 9
C. x
D. x - 9
Answer: A
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Find 
.ln 6xy = ex+y
A. 
B. 
C. 
D. 
Sketch the graph of the function.
Sketch the function represented by the given parametric equations. Then use the graph to determine each of the following:a. intervals, if any, on which the function is increasing and intervals, if any, on which the function is decreasing.b. the number, if any, at which the function has a maximum and this maximum value, or the number, if any, at which the function has a minimum and this minimum value.x = 2t, y = t
A. Increasing on: [1, ?); Minimum: (1, 1)
B. Increasing on: (0, ?)
C. Increasing on: (0, ?)
D. Decreasing on: (0, ?)
Find the slope-intercept equation of the tangent line to the graph of f at the given point.f(x) = 
at (64, 8)
A. y = 
x + 
B. y = 
x + 4
C. y = 4x + 4
D. y = 16x + 