Ask your own question, for FREE!
Algebra 7 Online
OpenStudy (anonymous):

can anyone help me??? please!!!!

OpenStudy (anonymous):

Julie is at the store buying groceries. She needs to get a quart of orange juice and some peaches. The quart of orange juice costs $2.25 and the peaches are $0.75 each. The function f(x) = 0.75x + 2.25 represents Julie's expenses at the grocery store. What do the f(x) and the x represent?

OpenStudy (anonymous):

A:f(x) represents the number of items purchased at the grocery store; x represents the number of peaches purchased B:f(x) represents the total cost of the grocery bill; x represents the cost per peach C: f(x) represents the number of items purchased at the grocery store; x represents the cost per peach D: f(x) represents the total cost of the groceries; x represents the number of peaches purchased

OpenStudy (anonymous):

Orange juice cost $2.25 right? and Peaches are 0.75 which is 75 cents the word "each" is how many.

OpenStudy (anonymous):

If she buys 1 peach it is 75 cents 2 peaches is $1.50 3 peaches is $2.25

OpenStudy (anonymous):

so would it be D

OpenStudy (anonymous):

Yes, it is. Nice job.

OpenStudy (anonymous):

thank you but can you help me with another question? @shalante

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

Which of the following exponential functions goes through the points (1, 6) and (2, 12)?

OpenStudy (anonymous):

f(x) = 3(2)x f(x) = 2(3)x f(x) = 3(2)−x f(x) = 2(3)−x

OpenStudy (anonymous):

2. The balance in two separate bank accounts grows each month at different rates. The growth rates for both accounts are represented by the functions f(x) = 2x and g(x) = 4x + 12. In what month is the f(x) balance greater than the g(x) balance?

OpenStudy (anonymous):

can you write the choices in draw mode?

OpenStudy (anonymous):

what do you mean

OpenStudy (anonymous):

|dw:1439596152736:dw| like this.

OpenStudy (anonymous):

|dw:1439596167634:dw|

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!