Find the inverse of the matrix.
a. 
b. 
c. 
d. 
e. 
e.
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Solve the problem.The daily profit in dollars of a specialty cake shop is described by the function 
where x is the number of cakes prepared in one day. The maximum profit for the company occurs at the vertex of the parabola. How many cakes should be prepared per day in order to maximize profit?
A. 441 cakes B. 2205 cakes C. 42 cakes D. 21 cakes
Let f(x, y) = yex + xy2. At which point does f(x, y) have a possible maximum or minimum value?
A. 
B. 
C. (0, 0)
D. 
E. none of these
A candy maker mixes chocolate, milk, and mint extract to produce three kinds of candy (I, II, and III) with the following proportions. If 78 lb of chocolate, 56 gal of milk, and 28 oz of mint extract are available, how much of each kind of candy can be produced? ? I : 7 lb chocolate, 5 gal milk, 1 oz mint extract II : 3 lb chocolate, 2 gal milk, 2 oz mint extract III : 4 lb chocolate, 3 gal milk, 3 oz mint extract ? __________units of candy | can be produced ? __________ units of candy || can be produced ? __________ units of candy ||| can be produced
What will be an ideal response?
A $500,000 lottery prize pays $25,000 per year for the next 20 years. If the current rate of return is 8.75%, what is the present value of this prize? ? Please round the answer to the nearest cent. ? $ __________
Fill in the blank(s) with the appropriate word(s).