Chapter 2 Homework How many significant figures in the following measurements and underline the uncertain number? 6,072 m (4 sig figs) 0.004040 g (4 sig figs) 6,070 L (3 sig figs) 6,070. L (4 sig figs) 3,000. g (4 sig figs) 0.00404 L (3 sig figs) 49,500 m
3 2 3 2 1. lim(3 x 5 x + 3 x + 11) = 3 2 5 2 + 3 2 + 11 = 21 x 2
2. x 2 10 x + 24 x 2 6 x 4 x + 24 = lim 2 x 9 x 2 13 x + 36 x 9 x 4 x 9 x + 36 x( x 6) 4( x 6) ( x 6)( x 4) = lim = lim > x 9 x ( x 4) 9( x 6) x 9 ( x 4)( x 9) x6 = lim x 9 x 9 x6 lim = x 9
Chapter 14: Functions of Several Variables
To model sales of its tires, the manufacturer of GRIPPER tires used the quadratic equation S = ao + a1x + a2x + b1y , where S is regional sales in millions of dollars, x is TV advertising expenditures in millions
Math1600 Test 1
Chapters 9 and 10 Practice Test 1
1.)
Suppose that the daily sales S (in dollars) t days after the end of an advertising campaign is S (t ) = 400 +
a.)
2400 t +1
Find S(0) and interpret its meaning. S (0) = 400 + 2400 = 400 + 2400 = 2800 0
Employee Production Rate
The manager of a plant has been instructed to hire and train additional employees to manufacture a new product. She must hire a sufficient number of new employees so that within 30 days they will be producing 2500 units of the pro
Chapter 10: Applications of Derivatives
(a) The hotels occupancy rate at the beginning of January (t = 0) is 10 3 10 2 200 0 0 + 0 + 55 = 55 81 3 9 The hotels occupancy rate at the beginning of June ( t = 5) is 10 10 200 r (5) = 53 52 + 5 + 55 = 98.21 81
Chapter 14: Functions of Several Variables
To model sales of its tires, the manufacturer of GRIPPER tires used the quadratic equation S = ao + a1x + a2x + b1y , where S is regional sales in millions of dollars, x is TV advertising expenditures in millions