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Which product recorded a greater percentage change in price over the previous year?

please help me @sammixboo @Hero

@heretohelpalways please help

please helllppp Wait, I need a too, because i dont know what percent?

what is 0.69(1.03)

.7107

what happens if you multiply any number by something smaller than 1?

k

this thing is pretty intuitive

|dw:1438873866977:dw|

part B

im sorta confused sorry ;c ill do a google search

lmao or mr.doge here can help?

sure

what just happened..

you got the first part right yet?

ehhhh I am not sure, as of right now i have that it is decreasing by 37%

0.69(1.03)=7.107
1-7.107=28.93%

.69*1.03 is .7107

you dont really need to care about whats inside or outside, multiplication is commutative

yea f(x) = 0.69 * 1.03 * x

you get it yet?

The x is an exponent, so it is 1.03*.69^x..

next time put that ^ sign

lol sorry I didnt pick up that it didnt show till now, sorry.

the function is actually increasing in that case

its an exponential curve

THE VALUE IN THE PARENTHESIS IS MORE THAN ONE. SO YAHHHH ITS INCREASING.

so confused omfg

regard the %, try plugging in x=0 and x=1 into the function

f(x)=.69(1.03)^0
.69*1
.69, or 69%

f(x)=.69(1.03)^1
.69* 1.03
.7107

ok now take\[f(1)-f(0)\]

.7107-.69

yes

.0207

what % is 0.0207 of 0.69?

.00014283

wrong

I am not sharp. Can you help?

\[\frac{ 0.0207 }{ 0.69 } \times 100\]

3% increase

part b is easy

take year 2 - year 1

okayy. so 101

now find the percentage like what you just did for the previous part

101%?

no 10.1%?

\[\frac{ 10201-10100 }{ 10100 } \times 100\]

1%

yes

now the answer for part b is in front of you compare % of product a & b

okay so product a: 3%, product b=1%?

yes, and which is greater?

PRODUCT A?

yea

sorry about caps

np