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Tutors Answer Your Questions about Functions (FREE)
Question 55942: The Majik car rental company charges a flat fee of $21 per day and a mileage charge of $0.18 per mile. John rented an SUV for 6 days and he covered m miles during this period. Express the total charge as a function of m.
I started with, f(m)=0.18*m+21*6, I am not sure where to go after that. Unless I can set the problem equal to 0 and solve for m.
Any help would be greatly appreciated!
Click here to see answer by Hook(36)  |
Question 56065: Can any one please help me!!!!
Evaluate the function for the value specified
f(x)=x^of 2 -7x+10; find (a)f(0 ),(b) f(5), and (c)f(-2)
Thank you so much for your help with this!
McGraw Hill 6th edition, chapter 7.5, exercise # 2
Click here to see answer by jenrobrody(19) |
Question 56078: This is a question on inverse functions.
Let y=f(x)=5x^3+8
The question wants the answer in the form y= cube root a(x)+b. where a and b are coefficients. I have come up with 1/5 for coeffcient a and I am thinking -(8/5) for coefficient b, but it does not seem to work.
Click here to see answer by rapaljer(4667)  |
Question 56698: Assume the cost of a company picnic is described by the function P(n)=(1/2)n^2-10n+80 where n represents the number of employees and family members attending the picnic and P (in dollars) represents the cost of the picnic. How many employees and guests in attendance produce a minimum cost? What is the minimum cost for this event?
Click here to see answer by ankor@dixie-net.com(15660)  |
Question 56892: Good morning, I have been working on this problem..F(x)=sq rt of 2x-x/2 and x=t. I have this so far but i dont know if im headed in the right direction or not.
F(t)=sq rt of 2(t)-t/2
F(t)=sq rt of 2 times sq rt of t-t/2 and thats as far as i have gotten but i dont know if i am on the right track. I would appreciate your help very much. Thankyou and have a good day!!!
Click here to see answer by stanbon(57387) |
Question 56925: I honestly have no idea how to answer this problem. It's not from a book, my teacher made it up.
f(x)=x+4
find (f(x))^2
I wrote down (x+4)^2 which equals x^2+16 just to have an answer. I'd rather have an example problem like this one so I could learn from that instead of just having a correct answer. Thank you!
Click here to see answer by stanbon(57387) |
Question 56925: I honestly have no idea how to answer this problem. It's not from a book, my teacher made it up.
f(x)=x+4
find (f(x))^2
I wrote down (x+4)^2 which equals x^2+16 just to have an answer. I'd rather have an example problem like this one so I could learn from that instead of just having a correct answer. Thank you!
Click here to see answer by funmath(2925) |
Question 56996: Cycly Paths, Inc. makes bicycles, tricycles, and unicycles. Last week they made 88 more bicycles than unicycles, and 5 times as many tricycles as unicycles. If they made 40 more bicycles than tricycles, how many unicycles did they make?
Click here to see answer by stanbon(57387) |
Question 57074: the elctrical resistance R of a wire varies directly as its length L and inversely as the sqaure of its diameter. A wre 20 meters long and 0.6 centimeters in diameter made from a certain alloy has a resistance of 36 ohms. what is the resistance of a pice of wire 60 meters long and 1.2 centimeters in diameter made from the same material?
Click here to see answer by venugopalramana(3286) |
Question 57192: well i dont not understand any questions that look like this :
" solve each equation if the domian is (-2,-1,1,3,4)...Question numer 24: 6x-3y=18"
ok i did try and i tried making a graph but when i went to check my answer it didn't come out right... I've missed school now for a week because my arms broke witch i regret, thats why i don't understand this if you don't understand wut i wrote lett me know thanks
Click here to see answer by stanbon(57387) |
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