Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.x cos t + x = 2t, y = t sin t + t, t = 
A. 2
B. 
C. 2 + ?
D. 
Answer: D
Mathematics
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Choose the sketch that has the indicated slope.m = - 
A. 
B. 
C. 
D. 
Mathematics
Solve.2|x| + 7 = 15
A. 
B. 
C. 
D. 
Mathematics
Find the relative extrema of the function. Find the relative extrema of trigonometric functions on [0, 2? ]. List your answers in terms of ordered pairs. Then sketch a graph of the function. 
What will be an ideal response?
Mathematics
Write a matrix equation equivalent to the system of equations.10x - 11y + 8z = 11 10y - 8z = 10
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics