Samuel invested $8,400 in an account paying an interest rate of 6.4% compounded quarterly. Assuming no deposits or withdrawals are made, how long would it take, to
the nearest year, for the value of the account to reach $21,090?

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

pls mark as brainliest

answer is x<