Draw the graph of the equation and label the vertex.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = 
; f '(-1)
A. f '(x) = 
; f '(-1) = 8
B. f '(x) = - 8x2; f '(-1) = - 8
C. f '(x) = 8; f '(-1) = 8
D. f '(x) = - 
; f '(-1) = -8
Mathematics
Solve the problem.A certain company has found that its expenditure rate per day (in hundreds of dollars) on a certain type of job is given by 
where x is the number of days since the start of the job. Find the expenditure if the job takes 8 days.
A. $33,600 B. $8200 C. $82 D. $336
Mathematics
Establish the identity.sin
= 
(cos x + sin x)
What will be an ideal response?
Mathematics
Find the gradient field F of the function f.f(x, y, z) = ln
+ z10
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Mathematics