Find the derivative of the function at the given value of x using a graphing utility. If necessary, round to four decimal places.f(x) = 4x cos x; x = 
Fill in the blank(s) with the appropriate word(s).
-6.2832
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Perform the indicated operations and express the result in the requested form.
; express in polar form
A. 170.97 + 91.68j B. 170.97 - 91.68j C. 32.61 + 482.10j D. 511.40 + 10.98j
Graph the given functions on the same rectangular coordinate system. Describe how the graph of g is related to the graph of f.f(x) = 
, g(x) = 
- 1
A. g shifts the graph of f vertically down 1 unit
B. g shifts the graph of f vertically up 1 unit
C. g shifts the graph of f vertically up 1 unit
D. g shifts the graph of f vertically down 1 unit
Make an appropriate substitution in order to obtain a quadratic equation. Find all complex values for x. (x2 - 2x)2 - 3(x2 - 2x) = 28
A. x = 1 ±2
, x = 1 ± i
B. x = 1 ±
, x = 1 ± i
C. x = 1 ±
, x = 1 ± i
D. x = 1 ±2
, x = 1 ± i
Find the indicated cross product.v = -6i - 3j + k, w = -3i - 5j - kFind v × w.
A. -8i + 9j + 3k B. -2i - 3j + 39k C. 21i - 8j + 9k D. 8i - 9j + 21k