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Mathematics 30 Online
OpenStudy (anonymous):

PLEASE HELP VERY STUCK MEDAL AND FAN, PLEASEEEEEEEE.

OpenStudy (anonymous):

The graph shows the functions f(x), p(x), and g(x): Graph of function g of x is y is equal to 1.8 to the power of x. The straight line f of x joins ordered pairs 6, 2 and 2, minus 2 and is extended on both sides. The straight line p of x joins the ordered pairs 3, 6 and 6, 2 and is extended on both sides. Part A: What is the solution to the pair of equations represented by p(x) and f(x)? (3 points) Part B: Write any two solutions for f(x). (3 points) Part C: What is the solution to the equation p(x) = g(x)? Justify your answer. (4 points)

OpenStudy (anonymous):

stuck on part c and b

OpenStudy (anonymous):

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

@wio

OpenStudy (anonymous):

@SithsAndGiggles

OpenStudy (anonymous):

@eliassaab @asnaseer

OpenStudy (anonymous):

pleaseeeeeeeeeee

ganeshie8 (ganeshie8):

what do you have for part A ?

ganeshie8 (ganeshie8):

`Part A: What is the solution to the pair of equations represented by p(x) and f(x)? (3 points)`

OpenStudy (anonymous):

part a = f(x)= (6,2) and (2,-2) p(x)= (3,6) and( 6,2) so the solution to the to the pair of equations of points px and fx = (6,2)

ganeshie8 (ganeshie8):

Excellent ! Also, from the graph it can be easily seen that the lines are meeting at (6, 2)

ganeshie8 (ganeshie8):

lets look at Part B

OpenStudy (anonymous):

okay

ganeshie8 (ganeshie8):

So you want to write two solutions for f(x) ?

ganeshie8 (ganeshie8):

what is a solution anyways ?

OpenStudy (anonymous):

an answer

ganeshie8 (ganeshie8):

an answer to what question

ganeshie8 (ganeshie8):

here it is : a solution to f(x) is ANY point on the graph of f(x)

OpenStudy (anonymous):

thats what a solution is and im assuming mutipacation question or division

ganeshie8 (ganeshie8):

look at the given graph of f(x) and pick ANY two points

OpenStudy (anonymous):

6,3 and 6,4

ganeshie8 (ganeshie8):

do they lie on f(x) line ?

ganeshie8 (ganeshie8):

they are outside the line, so they are no good. you need to choose from the points ON THE LINE

OpenStudy (anonymous):

i dont know

ganeshie8 (ganeshie8):

you may simply pick the given points itself : (6,2) and (2,-2)

OpenStudy (anonymous):

1,5 and 3,7

ganeshie8 (ganeshie8):

very good ! but looks you have reversed the order of x and y coordinates

OpenStudy (anonymous):

5,1 and 7,3

ganeshie8 (ganeshie8):

you must always write the x coordinate first : \((x, y)\)

ganeshie8 (ganeshie8):

Yes! they are solutions to f(x)

ganeshie8 (ganeshie8):

just put them in parenthesis and give some argument about why you think they are solutions : \((5, 1)\) and \((7, 3)\) are solutions of f(x) because these points are on the line.

OpenStudy (anonymous):

alrighty now part c?

ganeshie8 (ganeshie8):

what do we need to find in part c ?

OpenStudy (anonymous):

solution to the equation p(x) = g(x)

OpenStudy (anonymous):

@ganeshie8

ganeshie8 (ganeshie8):

yes look at the graphs of p(x) and g(x) where do they meet ?

ganeshie8 (ganeshie8):

do they intersect ?

ganeshie8 (ganeshie8):

whats the intersecting point of both the graphs ?

OpenStudy (anonymous):

3,6

ganeshie8 (ganeshie8):

parenthesis

ganeshie8 (ganeshie8):

the point (3,6) lies on both the graphs of p(x) and g(x). so its the solution to the equation p(x) = g(x)

OpenStudy (anonymous):

PLEASE HELP ME WITH MORE QUESTIONS LOL your the only person thats really helped me so far ive been working for over three hours.

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at 1, 3. Point B is at 3, 1. Point C is at 3, negative 3. Point D is at negative 4, 2. Point E is at negative 1, 5. Point F is at negative 3, negative 3. Part A: Using the graph above, create a system of inequalities that only contain points B and C in the overlapping shaded regions. Explain how the lines will be graphed and shaded on the coordinate grid above. (5 points) Part B: Explain how to verify that the points B and C are solutions to the system of inequalities created in Part A. (3 points) Part C: Lisa can only attend a school in her designated zone. Lisa's zone is defined by y > 2x + 5. Explain how you can identify the schools that Lisa is allowed to attend. (2 points)

ganeshie8 (ganeshie8):

do u have a picture attached with this problem ?

OpenStudy (anonymous):

im trying to post it

OpenStudy (anonymous):

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