Solve the problem.The six Cane brothers spent $59.76, $60.83, $44.37, $86.93, $56.70, and $78.20 on groceries. Find the mean grocery bill.
A. $65.36
B. $96.70
C. $64.47
D. $77.36
Answer: C
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Find all the first order partial derivatives for the following function.f(x, y, z) = e(sin (x) + yz)
A. 
= e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
B. 
= cos(x)e(sin (x) + yz); 
= e(sin (x) + yz); 
= e(sin (x) + yz)
C. 
= 
e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
D. 
= cos(x) e(sin (x) + yz); 
= ze(sin (x) + yz); 
= ye(sin (x) + yz)
Find the specified maximum and / or minimum.Find the maximum and minimum of 
subject to 
, 
, 
, and 
.
A. -90, 0 B. 45, -90 C. 45, 0 D. -63.75, -90
Factor completely.x7 + 8x6 - 9x5
A. x5(x + 9)(x - 1) B. x5(x - 9)(x - 1) C. x5(x + 9)(x + 1) D. x9(x2 + 8x - 9)
Solve the initial value problem.
= 10t + sec2 t, r(-?) = 2
A. r = 10t2 + tan t + 2 - 10?2 B. r = 5t2 + tan t + 2 - 5?2 C. r = 5t2 + cot t + 2 - 5?2 D. r = 10 + tan t - 8