Provide an appropriate response.Prove that if u is a differentiable function of t and f is a differentiable scalar function of t, then 
.
What will be an ideal response?
(f u) = 
= 
= 
+ 
= 
i + 
j = 
i + 
j + 
i +
j
= 
(uxi + uyj) + f
= 
u + f 
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The following pie graph represents the breakdown of the battery market in the United States. Use the graph to answer the following questions.
Which battery has the largest share of the market?
A. Voltasonic B. Staovac C. Toshivolt D. Powerizer
Use a system of linear equations to solve the problem.Two angles have a sum of 124°. One angle is 23° less than twice the other. Find the measure of each angle.
A. 71° and 53° B. 49° and 75° C. 47° and 77° D. 47° and 71°
Determine whether the system corresponding to the given augmented matrix is consistent or inconsistent. If it is consistent, give the solution.
A. consistent; x = 0, y = -2; (0, -2) B. consistent; z = -2; (-9) C. consistent; x = 0, y = 0; (0, 0) D. inconsistent
Graph the function.f(x) = 4-x
A. 
B. 
C. 
D. 