MATH 125 Lecture 5: 1/16/19 lecture note

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yellowsnail283

16 Jan 2019

School

Department

Mathematics

Course

MATH 125

Professor

Pezzoli,Elena

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MATH 125 verified notes

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MATH 125 Lecture 1: Math 4.9-5.1

MATH 125 Lecture 2: Math 5.1-5.3

MATH 125 Lecture 5: 1/16/19 lecture note

Document Summary

Gun tix 2 21 d get nut absolute value. A honeybee population as with it sees and increases at a rate t in wads n h seesperweek un does loot f tilt dt represent lens hit h 10. Ten week l i not ncd lot ill ncdi. vn. 910 o 9 x n d d n la general f ex dx f if fcx fix then. Fcb fca goes total change of f from a to b df an objectmovesalong a straight line with position sh then its velocity is. Sit 2 sit d tta a change a position of ft uct dt the object or displacement. Velocity is given uct 9ot2 in hours peter reaches his destination at ten one hour away does the customer lie from workplace. Peter"s car on dr. ve 5milesper9all0n. ltwmudfueg did he use up for his journey. Gb fu gi 3 and gb f edt. G x g 3 in hcdspedtf. tt hi 3 and hd.

Related Questions

15. Solve the equation by using the quadratic formula. (Enteryour answers as a comma-separated list.)

x² ? 4x ? 4 = 0

(a) Give exact real answers.
x =
(b) Give answers rounded to two decimal places.
x =

16. Use any method to find the exact real solution, if itexists. (Enter your answers as a comma-separated list. If there isno solution, enter NO SOLUTION.)

(w^2/6) - (w/3) - 4 =0

17. Solve using quadratic methods. (Enter your answers as acomma-separated list.)

(x + 5)² + 5(x + 5) + 4 = 0

x =

18. Consider the following equation.

y = (-1/22)x^2 +x

(a) Find the vertex of the graph of the equation.
(x , y) = ( )
(b) Determine if the vertex is a maximum or minimum point.

(c) Determine what value of x gives the optimal valueof the function.
x =

(d) Determine the optimal (maximum or minimum) value of thefunction.
y =

20. The daily profit from the sale of a product is given byP = 14x ? 0.1x² ? 50 dollars,where x is the number of units of production.

(a) What level of production maximizes profit?
units

(b) What is the maximum possible profit?
$

21. If the supply function for a commodity is p =q² + 14q + 49 and the demand functionis p = â11q² + 92q + 469,find the equilibrium quantity and equilibrium price.
(q, p) = ( )

22. The supply and demand for a product are given by 2p? q = 80 and pq = 100 + 35q,respectively. Find the market equilibrium point.
(q, p) = ( )

23. The total costs and total revenues for a company arerepresented by the equations shown below, where xrepresents the number of production units. Find the break-evenpoints. (Enter your answers as a comma-separated list.)

C(x) = 2100 + 20x +x²
R(x) = 120x

x = units

24. If, in a monopoly market, the demand for a product isp = 130 ? 0.40x and the revenue function isR = px, where x is the number of unitssold, what price will maximize revenue? (Round your answer to thenearest cent.)
$

28.