The amount of money in Alexander’s account is, = 4000 − 70, where is the amount in dollars and is the time in weeks.

a) Which variable is independent and which is dependent?

Dependent is -70x and independent is 4000

b) In which week will there be $1701 in the account?


y=4000-70(x)
1701=4000-70(x)
-70x=1701-4000
-70x= -2299
x=-2299/-70
x=2299/70
x=32.843
x=33

c) How much will the amount in Alexander’s account change if the time increases by 15 weeks?


y=4000-70(x)
y=4000-70(15)
y=2950

How many zeros does the function f(x)=4x3-x2+1 have

What is the measure of the smallest angle in the diagram? 15 29 32 45

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.