Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Answer: C
Mathematics
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Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s, t), y = h(r, s, t), z = k(r, s, t)
A. 
= 
+ 
+ 
B. 
= 
+ 
C. 
= 
+ 
+ 
D. 
= 
+ 
+ 
Mathematics
Perform the indicated operation.
? 
A. 
B. - 
C. u2
D. - 
Mathematics
Multiply. Simplify the answer completely.- 
? 
A. 
B. - 
C. - 
D. 
Mathematics
Graph the quadratic function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 + 6x - 5
A. vertex (3, 4)
intercepts (5, 0), (1, 0), (0, -5)
B. vertex (-3, 4)
intercepts (-5, 0), (- 1, 0), (0, -5)
C. vertex (-3, -4)
intercepts (-5, 0), (- 1, 0), (0, 5)
D. vertex (3, -4)
intercepts (5, 0), (1, 0), (0, 5)
Mathematics