Sketch the indicated curve. Find the intercepts. Find any asymptotes. Find any relative extrema and determine the intervals on which the curve is increasing and the intervals on which it is decreasing. Find any inflection points. Determine the intervals on which the curve is concave up and the intervals on which it is concave down.y = x
What will be an ideal response?
x- and y intercept: (0, 0)
x-intercepts: (
, 0), (-
, 0)
Minimum: 
Maximum: 
Decreasing: -
< x < - 
, 
< x < 
Increasing: - 
< x < 
Inflection point: (0, 0)
Concave up -
x < 0
Concave down 0 < x < 
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Provide an appropriate response.Two supermarkets, R and C, want to run a promotional on the same item. A market research firm provided the payoff matrix below, where each entry indicates the percentage of customers going to market R at the indicated prices of that item. Find the saddle value, and the optimum strategy for each store. Store C 
Store R 
A. 60%; R sells the item at $1.85, C sells the item at $1.55. B. 50%; R sells the item at $1.85, C sells the item at $1.55. C. 50%; R sells the item at $1.55, C sells the item at $1.85. D. 60%; R sells the item at $1.55, C sells the item at $1.85.
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Provide an appropriate response.Multiply two fractions by 
the numerators and 
the denominators.
A. multiplying; canceling B. adding; multiplying C. multiplying; multiplying D. multiplying; adding
Find the unit vector having the same direction as v.v = 3i + 4j
A. u = - 
i - 
j
B. u = 15i + 20j
C. u = 
i + 
j
D. u = 
i + 
j